E. coli recombinant proteins aldehyde tagging conjugation
recombinant CagA protein of Helicobacter pylori using monoclonal antibodies
DavidApril 27, 20210 Comments
Cloning, expression and characterization of recombinant CagA protein of Helicobacter pylori utilizing monoclonal antibodies: Its potential in diagnostics
Helicobacter pylori CagA protein performs an important place all through the severity of the gastric sicknesses. Our goals had been to clone the cagA 5′- conserved area of the gene, characterize the recombinant CagA (rCagA) protein by monoclonal antibodies (mAbs) and to make the most of this protein for the detection of anti-CagA antibodies by an ELISA try. Our developed rCagA protein (67 kDa) confirmed an amino acid sequence homology of 83% and 80% with Western and East Asian sort strains respectively.
Two anti-rCagA (BS-53, CK-02) mAbs and some extra rCagA proteins of smaller sizes (60 kDa, 28 kDa) had been developed for epitope dedication. The BS-53 mAb acknowledged all Three rCagA proteins whereas CK-02 mAb acknowledged solely 2 of them indicating recognition of various epitopes. An in-house oblique ELISA utilizing rCagA was developed to detect anti-CagA antibodies in sera of 59 victims.
The ELISA outcomes obtained in comparison with these of the PCR gave a sensitivity, specificity and accuracy of 81%, 100% and 88% respectively. We have now acquired developed for the primary time: a rCagA protein that confirmed excessive sequence homology with each Western and East Asian sort strains and an oblique ELISA of maximum effectivity which is perhaps utilized to detect anti-CagA antibodies in sera of contaminated victims worldwide.
redwoodbioscience
Description: A polyclonal antibody against Defensin-like protein 1. Recognizes Defensin-like protein 1 from Dahlia merckii. This antibody is HRP conjugated. Tested in the following application: ELISA
Description: A polyclonal antibody against Defensin-like protein 1. Recognizes Defensin-like protein 1 from Dahlia merckii. This antibody is FITC conjugated. Tested in the following application: ELISA
Defensin-like protein 1 Antibody, Biotin conjugated
Description: A polyclonal antibody against Defensin-like protein 1. Recognizes Defensin-like protein 1 from Dahlia merckii. This antibody is Biotin conjugated. Tested in the following application: ELISA
Description: beta -Defensin 1 (DEFB1) is a member of the beta -defensin family, which is highly expressed by epithelial cells. beta -defensins are expressed as the C-terminal portion of precursors and are released by proteolytic cleavage of a signal peptide. beta -defensins contain a six-cysteine motif that forms three intra-molecular disulfide bonds. beta -defensin 1 is an antimicrobial peptide implicated in the resistance of epithelial surfaces to microbial colonization. Defects in beta -Defensin-1 contribute to asthma diagnosis, with apparent gender-specific effects in human. beta -defensin 1 may also play a role in the pathogenesis of severe sepsis. In addition, beta -defensin 1 is associated with induction profiles in gingival keratinocytes.
DLK1 Human, Delta-Like 1 Human Recombinant Protein, HEK
Description: DLK1 Human Recombinant produced in HEK293 Cells is a single, glycosylated, polypeptide chain (a.a 24-303) containing 290 amino acids including a 10 a.a C-terminal His tag. The total molecular mass is 31.2kDa (calculated).
FSTL1 Human, Follistatin Like 1 Human Recombinant Protein, HEK
Description: FSTL1 Human Recombinant produced in HEK293 cells is a single, glycosylated polypeptide chain (a.a 21-308) containing 296 amino acids including a 8 a.a C-terminal His tag. The total molecular mass is 33.8kDa (calculated).
IL1RL1 Human, Interleukin-1 Receptor Like-1 Human Recombinant Protein, Sf9
Description: IL 1RL1 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain (19-328 a.a.) and fused to an 8 aa His Tag at C-terminus containing a total of 318 amino acids and having a molecular mass of 36.0kDa.;IL 1RL1 shows multiple bands between 40-57kDa on SDS-PAGE, reducing conditions and purified by proprietary chromatographic techniques.
GLP-1 Glucagon Like Peptide-1 (31 a.a.) Human Recombinant Protein
Description: Glucagon Like Peptide-1 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 31 amino acids and having a molecular mass of 3298.7 Dalton. The GLP-1 is purified by proprietary chromatographic techniques.
Description: BD 1 Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 37 amino acids and having a molecular mass of 4.1 KDa.;The BD 1 Mouse is purified by proprietary chromatographic techniques.
Description: Beta Defensin-1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 47 amino acids and having a molecular mass of 5 kDa.;The BD-1 is purified by proprietary chromatographic techniques.
Description: BD-1 Rat Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 37 amino acids and having a molecular mass of 4.1kDa.;The BD-1 is purified by proprietary chromatographic techniques.
TINAGL1 Human, Tubulointerstitial Nephritis Antigen Like 1 Human Recombinant Protein, Sf9
Description: TINAGL1 Human Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 455 amino acids (22-467a.a.) and having a molecular mass of 51.2kDa (Molecular size on SDS-PAGE will appear at approximately 50-70kDa). TINAGL1 is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Description: Recombinant Human BCL2L2 produced in E.coli cells is a non-glycosylated, homodimeric protein containing 171 amino acid chain and having a molecular mass of 18.6kDa. The Human BCL2L2 is purified by proprietary chromatographic techniques.
Description: IGF-I Des(1-3) Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 67 amino acids (aa 4-70) and having a molecular mass of 7368.5 Dalton. ;IGF-1 Des1-3 is purified by proprietary chromatographic techniques.
Description: Defensins are cationic peptides. It is an important ingredient of the innate immune system. beta -defensins are expressed on some leukocytes and epithelial surfaces. Four human beta -Defensins have been identified to date: BD-1, BD-2, BD-3 and BD-4. beta -defensins contain a six-cysteine motif, they forms three intra-molecular disulfide bonds. beta -defensins are also chemoattractant towards immature dendritic cells and memory T cells. The beta -defensin proteins are expressed as the C-terminal portion of precursors; they are released by proteolytic cleavage of a signal sequence.
Description: beta -Defensin 4A is a membrane-active cationic peptide that functions in inflammation and innate immune responses. There are at least 30 beta -Defensins, which are distinguished from alpha-Defensins by the connectivity pattern of their three intermolecular disulfide bonds. Members of the Defensin family are highly similar in protein sequence. This gene encodes Defensin, DEFB4;, which has broad-spectrum antimicrobial activity and may play an important role in innate epithelial defense. They are highly expressed in skin and tonsils, and to a lesser extent in trachea, uterus, kidney, thymus, adenoid, pharynx and tongue. beta -Defensin 4A has low expression in salivary gland, bone marrow, colon, stomach, polyp and larynx. No expression in small intestine. The 45 amino acid mature human BD3 shares 38% and 33% amino acid sequence identity with mouse and rat BD3, respectively.
Recombinant purified Human Alpha Defensin 1 protein (NP-1)
Description: CHI3L1 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 370 amino acids (22-383 a.a.) and having a molecular mass of 41.4kDa (Migrates at 40-57kDa on SDS-PAGE under reducing conditions).CHI3L1 is expressed with an 8 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
ANGPTL4 Human, Angiopoietin-like Protein 4 Human Recombinant Protein, HEK
Description: The ANGPTL4 Human Recombinant is manufactured with C-terminal fusion of 11 amino acid FLAG Tag. ;The ANGPTL4 Flag -Tagged Fusion Protein is a 44.2kDa protein containing 392 amino acid residues of the Angiopoietin-like Protein 4 and 11 additional amino acid residues - Flag Tag (underlined).
ANGPTL3 Human, Angiopoietin Like Protein 3 Human Recombinant Protein, HEK
Description: ANGPTL3 Human Recombinant produced in HEK cells is a single, glycosylated, polypeptide chain (a.a 17-460) containing a total of 450 amino acids, having a molecular mass of 52.6kDa (calculated) and fused to a 6 aa His tag at C-Terminus.;The Human ANGPTL3 is purified by proprietary chromatographic techniques.
CD5L Human, CD5 Molecule-Like Human Recombinant Protein, HEK
Description: CD5L Human Recombinant produced in HEK cells is a single, glycosylated, polypeptide chain (Ser20-Gly347) containing a total of 334 amino acids, having a calculated molecular mass of 36.9kDa and fused to a 6 aa His tag at C-Terminus.
Arabidopsis thaliana Putative defensin-like protein 70 (LCR83)
Description: KLRK1 Human Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 386 amino acids (73-216a.a.) and having a molecular mass of 43.9kDa (Molecular size on SDS-PAGE will appear at approximately 40-57kDa). ;KLRK1 is expressed with a 239 amino acids hIgG-His tag at C-Terminus and purified by proprietary chromatographic techniques.
KLRB1 Human, Killer Cell Lectin-Like Receptor Subfamily B, Member 1 Human Recombinant Protein, Sf9
Description: KLRB1 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 401 amino acids (67-225a.a.) and having a molecular mass of 45.7kDa. (Molecular size on SDS-PAGE will appear at approximately 40-57kDa).;KLRB1 is expressed with a 242 amino acid hIgG-His-tag at C-Terminus and purified by proprietary chromatographic techniques.
Recombinant Human Neutrophil defensin 1 Protein, GST, E.coli-100ug
Description: Angiopoietin-1 (Ang-1) is a secreted ligand for Tie-2, a tyrosine-kinase receptor expressed primarily on vascular endothelial cells and early hematopoietic cells. Ang-1/ Tie-2 signaling promotes angiogenesis during the development, remodeling, and repair of the vascular system. Transgenic mice lacking expression of either Ang-1 or Tie-2 fail to develop a fully functional cardiovascular system and die before birth. Postnatally, the angiogenic activity of Ang-1/Tie-2 is required during normal tissue repair and remodeling of the female endometrium in the menstrual cycle. Ang-1/Tie-2 signaling appears to be regulated by Angiopoietin-2 (Ang-2), a natural antagonist for Tie-2 that exerts its effects through an internal autocrine loop mechanism. In addition to suppressing endothelial cell activation by inhibiting the expression of adhesion and inflammatory molecules, Ang-1 enhances endothelial cell survival and capillary morphogenesis, and lessens capillary permeability. As such, Ang-1 has a potential to become an effective therapeutic agent for treating various endothelium disorders, including several severe human pulmonary diseases. The efficacy of cell-based Ang-1 gene therapy for acute lung injury (ALI) has recently been studied in a rat model of ALI (1). The results of this study show that such therapy can markedly improve lung condition and suggest that Ang-1 therapy may represent a potential new strategy for the treatment and/or prevention of acute respiratory distress injury (ARDI), a significant cause of morbidity and mortality in critically ill patients. Recombinant human ANG-1, derived from HeLa cells, is a C-terminal histidine tagged glycoprotein which migrates with an apparent molecular mass of 60.0 – 70.0 kDa by SDS-PAGE under reducing conditions. Sequencing analysis shows N-terminal sequences starting with Ser-20 and with Asp-70 of the 498 amino acid precursor protein.
Description: CT-1 is a member of the IL-6 family of cytokines which also includes LIF, CNTF, OSM (Oncostatin M), IL-11, IL-6 and possibly NNT-1/BCSF-3. CT-1 is a pleiotropic cytokine which is expressed in various tissues including the adult heart, skeletal muscle, ovary, colon, prostate and fetal lung and signals through the LIF receptor and the gp130 receptor subunit. CT-1 has the ability to induce cardiac myocyte hypertrophy, and enhances the survival of cardiomyocyte and different neuronal populations. Recombinant murine Cardiotrophin-1 is a 21.3 kDa protein consisting of 202 amino acid residues.
Description: Lectins, of either plant or animal origin, are carbohydrate binding proteins that interact with glycoprotein and glycolipids on the surface of animal cells. The Galectins are lectins that recognize and interact with β-galactoside moieties. Galectin-1 is an animal lectin that has been shown to interact with CD3, CD4, and CD45. It induces apoptosis of activated T-cells and T-leukemia cell lines and inhibits the protein phosphatase activity of CD45. Recombinant human Galectin-1 is a 14.5 kDa protein containing 134 amino acid residues.
Description: PECAM is transmembrane glycoprotein that belongs to the Ig-related superfamily of adhesion molecules. It is highly expressed at endothelial cell junctions, and also expressed in platelets and in most leukocyte sub-types. The primary function of PECAM-1 is the mediation of leukocyte-endothelial cell adhesion and signal transduction. PECAM-1 has been implicated in the pathogenesis of various inflammation related disorders, including thrombosis, multiple sclerosis (MS), and rheumatoid arthritis. The human PECAM-1 gene codes for a 738 amino acid transmembrane glycoprotein containing a 118 amino acid cytoplasmic domain, a 19 amino acid transmembrane domain, and a 574 amino acid extracellular domain. Recombinant human PECAM-1 is a 572 amino acid glycoprotein comprising the extracellular domain of PECAM-1. Monomeric glycosylated PECAM-1 migrates at an apparent molecular weight of approximately 80.0-95.0 kDa by SDS-PAGE analysis under reducing conditions
Description: Insulin-like growth factor 1 (IGF-1) is a primary mediator of the effects of growth hormone (GH) and has growth-promoting effects on almost every cell in the body. IGF-1 can also regulate cell growth and development, especially in nerve cells, as well as cellular DNA synthesis. Canine IGF-1 Recombinant Protein is purified insulin-like growth factor 1 (IGF-1) produced in yeast.
Description: Gremlin-1 (isoform-1) belongs to a group of diffusible proteins which bind to ligands of the TGF-β family and regulate their activity by inhibiting their access to signaling receptors. The interplay between TGF-β ligands and their natural antagonists has major biological significance during development processes, in which cellular response can vary considerably depending upon the local concentration of the signaling molecule. Gremlin is highly expressed in the small intestine, fetal brain, and colon and lower expression in brain, prostate, pancreas and skeletal muscle. Gremlin-1 regulates multiple functions in early development by specifically binding to and inhibiting the function of BMP-2, -4, and -7. It also plays a role in carcinogenesis and kidney branching morphogenesis. Recombinant Gremlin-1 is a 18.3 kDa protein containing 160 amino acid residues.
Description: Apolipoprotein A-1 (ApoA-1) is a glycoprotein produced in the liver and intestine that is the major protein component of high density lipoprotein (HDL) particles. ApoA-1 is involved in the reverse transport of cholesterol from peripheral tissues to the liver for recycling and excretion.
Description: Apolipoprotein A-1 (ApoA-1) is a glycoprotein produced in the liver and intestine that is the major protein component of high density lipoprotein (HDL) particles. ApoA-1 is involved in the reverse transport of cholesterol from peripheral tissues to the liver for recycling and excretion.
Description: The WNT gene family compose of structurally related genes that encode secreted signaling proteins. These proteins have been involved in oncogenesis and in several developmental processes, including regulation of cell fate and patterning during embryogenesis.
Description: Tumor Necrosis Factor Ligand Superfamily Member 15 (TNFSF15) is a new member of the tumor necrosis factor family. TNFSF15 is predominantly an endothelial cell-specific gene, and recombinant TNFSF15 is a potent inhibitor of endothelial cell proliferation, angiogenesis and tumor growth. TNFSF15 exerts two activities on endothelial cells: early G1 arrest of G0/G1-cells responding to growth stimuli and programmed cell death of proliferating cells. These activities are highly specific to endothelial cells. TNFSF15 is also able to regulate the expression of several important genes involved in angiogenesis. These findings are consistent with the view that TNFSF15 functions as an autocrine cytokine to inhibit angiogenesis and stabilize the vasculature.
Description: Follistatin-Related Protein 1 (FSTL1) is a secreted protein that contains two EF-hand domains, one follistatin-like domain, one Kazal-like domain, and one VWFC domain. Its functional significance in physiological and pathological processes is not completely understood. However, FSTL1 is thought to modulate the action of some growth factors on cell proliferation and differentiation. FSTL1 maybe an autoantigen associated with rheumatoid arthritis.
Description: Follistatin-Related Protein 1 (FSTL1) is a secreted protein that contains two EF-hand domains, one follistatin-like domain, one Kazal-like domain, and one VWFC domain. Its functional significance in physiological and pathological processes is not completely understood. However, FSTL1 is thought to modulate the action of some growth factors on cell proliferation and differentiation. FSTL1 maybe an autoantigen associated with rheumatoid arthritis.
Description: Follistatin-Related Protein 1 (FSTL1) is a secreted protein that contains two EF-hand domains, one follistatin-like domain, one Kazal-like domain, and one VWFC domain. Its functional significance in physiological and pathological processes is not completely understood. However, FSTL1 is thought to modulate the action of some growth factors on cell proliferation and differentiation. FSTL1 maybe an autoantigen associated with rheumatoid arthritis.
Description: Follistatin-like 1 (FSTL1) is a secreted glycoprotein that has been grouped into the follistatin family of proteins. FSTL1 is composed of a follistatin domain and two non-functional calcium-binding motifs. It was originally cloned as a TGF beta 1 inducible factor but subsequently shown to regulate diverse developmental pathways and tissue homeostasis. Ablation of the FSTL1 gene in the mouse results in several structural developmental defects and neonatal lethality due to respiratory failure. FSTL1 suppresses BMP signaling, but the precise mechanism of its action has not been elucidated. FSTL1 is expressed in the human placenta, mainly in extravillous trophoblasts.
Description: Follistatin-like 1 (FSTL1) is a secreted glycoprotein that has been grouped into the follistatin family of proteins. FSTL1 is composed of a follistatin domain and two non-functional calcium-binding motifs. It was originally cloned as a TGF beta 1 inducible factor but subsequently shown to regulate diverse developmental pathways and tissue homeostasis. Ablation of the FSTL1 gene in the mouse results in several structural developmental defects and neonatal lethality due to respiratory failure. FSTL1 suppresses BMP signaling, but the precise mechanism of its action has not been elucidated. FSTL1 is expressed in the human placenta, mainly in extravillous trophoblasts.
Description: Tumor Necrosis Factor Ligand Superfamily Member 15 (TNFSF15) is a new member of the tumor necrosis factor family. TNFSF15 is predominantly an endothelial cell-specific gene, and recombinant TNFSF15 is a potent inhibitor of endothelial cell proliferation, angiogenesis and tumor growth. TNFSF15 exerts two activities on endothelial cells: early G1 arrest of G0/G1-cells responding to growth stimuli and programmed cell death of proliferating cells. These activities are highly specific to endothelial cells. TNFSF15 is also able to regulate the expression of several important genes involved in angiogenesis. These findings are consistent with the view that TNFSF15 functions as an autocrine cytokine to inhibit angiogenesis and stabilize the vasculature.
CHI3L2 Human, Chitinase 3-Like 2 Human Recombinant Protein, Sf9
Description: CHI3L2 produced in Sf9 Baculovirus cells is a single,glycosylated polypeptide chain containing 372 amino acids (27-390a.a.) andhaving a molecular mass of 41.9kDa. (Molecular size on SDS-PAGE will appear atapproximately 40-57kDa).CHI3L2 is expressed with an 8 amino acid His tag atC-Terminus and purified by proprietary chromatographic techniques.
KLF4 Human, Kruppel-Like Factor 4 Human Recombinant Protein, His Tag
Description: KLF4 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 422 amino acids (11-395 a.a) and having a molecular mass of 44.2kDa. KLF4 is fused to a 37 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Description: Visinin-Like Protein 1 (VILIP) is a a member of the Visinin/Recoverin subfamily of neuronal calcium sensor proteins. VILIP is strongly expressed in the Granule Cells of the Cerebellum where it associates with membranes in a Calcium-dependent manner and modulates intracellular signaling pathways of the central nervous system by directly or indirectly regulating the activity of Adenylyl Cyclase. It has been shown that VILIP regulates the inhibition of rhodopsin phosphorylation in a Calcium-dependent manner in vitro.
Description: DCN1-Like Protein 1 is a protein containing 1 DCUN1 domain and 1 UBA-like domain. DCN1-Like Protein 1 contains part of an E3 Ubiquitin Ligase Complex for Neddylation. It is required for Neddylation of Cullin components of E3 Cullin-RING Ubiquitin Ligase complexes. It enhances the rate of Cullins Neddylation. DCN1-Like Protein 1 recruits the NEDD8-charged E2 Enzyme to the Cullin component. DCUN1D1 is involved in the release of inhibitory effects of CAND1 on the Cullin-RING Ligase E3 complex assembly and activity. It acts also as an oncogene facilitating malignant transformation and carcinogenic progression.
Description: Clusterin-Like Protein 1 (CLUL1) is a secreted protein that belongs to the clusterin family. CLUL1 is synthesized as a 466 amino acid precursor that contains a 20 amino acid signal sequence, and a 446 amino acid mature chain. CLUL1 is expressed predominantly by cone photoreceptors of the retina. It has been shown that CLUL1 expression is down-regulated in some forms of retinal disease.
Description: Neuritin-like protein belongs to the neuritin family. Neuritin is a GPI-anchored protein that promotes neurite outgrowth and branching of neuritic processes in primary hippocampal and cortical cells. Neuritin expression also enhances the development of motor neuron axon arbors by promoting neuromuscular synaptogenesis and by stimulating the addition of new axon branches. Neuritin is induced by neuronal activity and by the neurotrophins, BDNF and NT3. NRN1L contains a consensus cleavage signal found in glycosylphoshatidylinositol (GPI)-anchored proteins.
IGFBP7 Human, Insulin Like Growth Factor Binding Protein-7Human Recombinant Protein, His Tag
Description: IGFBP7 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 279 amino acids (27-282 a.a.) and having a molecular mass of 28.8kDa.
Description: Interleukin-1 beta Human Recombinant produced in E.Coli is a non-glycosylated, Polypeptide chain containing 153 amino acids and having a molecular mass of 17000 Dalton.;The IL-1b is purified by proprietary chromatographic techniques.
MMP-1 Matrix Metalloproteinase-1 Human Recombinant Protein
Description: MMP 1 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 393 amino acids (100-469a.a) and having a molecular mass of 45kDa. MMP 1 is fused to a 23 amino acid His-tag at N-terminus.
Description: Monocyte Chemotactic Protein-1 Mouse Recombinant produced in E.Coli is a single,non-glycosylated, polypeptide chain containing 125 amino acids and having a molecular mass of 14 kDa. ;The MCP-1 is purified by proprietary chromatographic techniques.
MCP-1 Monocyte Chemotactic Protein-1 Human Recombinant Protein (CCL2)
Description: Monocyte Chemotactic Protein-1 Human Recombinant also known as Monocyte Chemotactic and Activating Factor (MCAF) produced in E.Coli is a non-glycosylated, Polypeptide chain containing 76 amino acids and having a molecular mass of 8.6kDa. ;The MCP-1 is purified by proprietary chromatographic techniques.
Description: Neuregulin/Heregulin is a family of structurally related polypeptide growth factors derived from alternatively spliced genes (NRG1, NRG2, NRG3 and NRG4). To date, there are over 14 soluble and transmembrane proteins derived from the NRG1 gene. Proteolytic processing of the extracellular domain of the transmembrane NRG1 isoforms release soluble growth factors. HRG1-β1 contains an Ig domain and an EGF-like domain that is necessary for direct binding to receptor tyrosine kinases erb3 and erb4. This binding induces erb3 and erb4 heterodimerization with erb2, stimulating intrinsic kinase activity, which leads to tyrosine phosphorylation. Although HRG1-β1 biological effects is still unclear, it has been found to promote motility and invasiveness of breast cancer cells which may also involve up-regulation of expression and function of the autocrine motility-promoting factor (AMF). Recombinant human Heregulin-β1 (HRG1-β1) is a 7.5 kDa polypeptide consisting of only the EGF domain of Heregulin-β1 (65 amino acid residues).
Description: Cardiotrophin-1 Human Recombinant produced in E.coli is a single, non-glycosylated, polypeptide chain containing 201 amino acids and having a molecular mass of 21.2kDa.;The CTF1 is purified by proprietary chromatographic techniques.
Description: IL-1β is a proinflammatory cytokine produced in a variety of cells including monocytes, tissue macrophages, keratinocytes and other epithelial cells. Both IL-1α and IL-1β binds to the same receptor and has similar if not identical biological properties. These cytokines have a broad range of activities including, stimulation of thymocyte proliferation, by inducing IL-2 release, B-cell maturation and proliferation, mitogenic FGF-like activity and the ability to stimulate the release of prostaglandin and collagenase from synovial cells. However, whereas IL-1β is a secreted cytokine, IL-1α is predominantly a cell-associated cytokine. Recombinant rat IL-1β is a 17.4 kDa protein containing 153 amino acid residues.
Description: The Recombinant Norovirus Group-1 Capsid, E.Coli derived, is a positive sense RNA virus with 7.5kb nucleotides, encoding a major structural protein VP1 with 58~60kDa and a VP2 protein. The full length of VP1 capsid protein is derived from the group 1 Norwalk virus. The protein is fused to a 6 His tag at N-terminal and purified by chromatography techniques.
Description: Neurotrophin-1 Human Recombinant (28-225) produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 199 amino acids and having a molecular mass of 22kDa.;The NNT-1 is purified by proprietary chromatographic techniques.
Description: HPSE Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 531 amino acids (36-543 a.a) and having a molecular mass of 60kDa.;HPSE is fused to a 23 amino acid His-tag at N-terminus.
Description: LAG-1 is CC chemokine that signals through the CCR5 receptor. LAG-1 is identical to MIP-1β (ACT II isotype) except for two amino acid substitutions; arginine for histidine at position 22 and serine for glycine at position 47 of the mature protein. LAG-1 chemoattracts monocytes, and exhibits activity as an HIV suppressive factor. Recombinant human LAG-1 is a 7.7 kDa protein containing 69 amino acid residues.
Description: The MCP proteins belong to the CC chemokine family, and signal through CCR2 and, with the exception of MCP-1, other CCR receptors. The MCP proteins chemoattract and activate monocytes, activated T cells, basophils, NK cells, and immature dendritic cells. The MCP family cross reacts across species. Recombinant rat MCP-1 is a 14.0 kDa protein containing 125 amino acid residues including the four highly conserved cysteine residues present in the CC chemokines.
Description: SDC1 Human Recombinant produced in E. coli is a single polypeptide chain containing 262 amino acids (18-254) and having a molecular mass of 27kDa (molecular size on SDS-PAGE will appear higher).;SDC1 is fused to a 25 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Description: IL-1 beta (IL-1β) is a member of the interleukin 1 family of cytokines. The IL-1 beta cytokine is produced by activated macrophages as a proprotein, which is proteolytically processed to its active form by caspase 1 (CASP1/ICE). This cytokine is an important mediator of the inflammatory response, and is involved in a variety of cellular activities, including cell proliferation, differentiation, and apoptosis. Canine IL-1 beta Recombinant Protein is purified interleukin-1 beta cytokine produced in yeast.
Description: IL-1 alpha (IL-1α, IL-1F1) is a member of the interleukin 1 family of cytokines. IL-1 alpha is an inflammatory cytokine active in the initiation of the inflammatory reaction and in driving Th1 and Th17 inflammatory responses. Canine IL-1 alpha Recombinant Protein is purified interleukin-1 alpha cytokine produced in yeast.
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Enchancment of the recombinant duck enteritis virus delivering capsid protein VP0 of the duck hepatitis A virus
Duck hepatitis A virus sort 1 (DHAV-1) illness causes important financial losses to the duck enterprise. Duck enteritis virus (DEV) is consistently used as a viral vector for aquatic poultry vaccination, however no recombinan DEV expressing DHAV-1 VP0 has been developed. On this evaluation, we established a system for rescuing the DEV C-KCE vaccine stress by transfecting cells with six fosmid DNAs.
We generated a recombinant virus (rDEV-ul41VP0) by inserting the VP0 gene of DHAV-1 into the ul41 area all through the DEV C-KCE genome. DHAV-1 VP0 was stably expressed all through the rDEV-ul41VP0 contaminated cells, however didn’t affect the replication properties of DEV C-KCE in cells. Duck experiments confirmed that rDEV-ul41VP0 would possibly offered full safety within the course of the deadly DEV Chinese language language language common draw back (DEV CSC) and conferred 70% safety within the course of DHAV-1 161/79 at Three days postvaccination. These outcomes stage out that rDEV-ul41VP0 shortly induces safety within the course of DEV CSC and DHAV-1 in geese, and will presumably be served as a bivalent vaccine within the course of DEV and DHAV-1.
Superior sequence optimization for the intense ambiance nice yield of human group A Rotavirus VP6 recombinantprotein in Escherichia coli and its use as immunogen
Rotavirus is the necessary etiological brokers of infectious diarrhea amongst children beneath 5 years earlier. Rotaviruses are divided into ten serogroups (A-J) and every group is predicated on genetic properties of foremost structural protein VP6. We designed a novel VP6 sequence optimization to extend the expression diploma of this protein. Pretty only a few parts equivalent to codon adaptation index, codon pair bias, and GC content material materials supplies had been tailored based mostly completely on E. coli codon utilization. Along with, the ribosome binding web site of pET-15b was redesigned by the RBS calculator and the secondary growth of VP6 mRNA was optimized in your full dimension of the coding sequence.
Fairly a number of parts together with IPTG focus, temperature and induction time had been analyzed for the optimization of the right expression in E. coli by SDS-PAGE and western blotting. The recombinant VP6 (rVP6) protein was purified by the Ni-sepharose after which the hyper-immune sera had been generated within the course of rVP6 in rabbits. Amongst three utterly utterly totally different temperatures, IPTG concentrations, and publish inductions, the extent of rVP6 was larger at 37°C, 1mM of IPTG, and eight hours, respectively. Furthermore, the intense expression diploma of rVP6 was obtained all through the insoluble mixture sort (43.Eight g.L-1 ).
After purification, the yield of rVP6 was 10.83 g.L-1 . The rVP6 express antiserum was confirmed by each Immunofluorescent and western blot analyses. The versatile sequence optimization was the explanation to offer a excessive diploma of rVP6 in contrast with utterly totally different experiences and might doubtlessly apply to offer cheaper enterprise kits with a view to diagnose serological assessments and new rotavirus vaccines. This textual content material is protected by copyright. All rights reserved.
The Radical SAM enzyme Spore Photoproduct Lyase: Properties of the Ω Organometallic Intermediate and Identification of Safe Protein Radicals Formed All through Substrate-Free Turnover
Spore photoproduct lyase is a radical S-adenosyl-l-methionine (SAM) enzyme with the weird property that addition of SAM to the [4Fe-4S]1+ enzyme absent substrate results in quick electron change to SAM with accompanying homolytic S-C5′ bond cleavage. Herein we present that this unusual response varieties the organometallic intermediate, Ω, by which the distinctive Fe atom of the [4Fe-4S] cluster is for certain to C5′ of 5′-deoxyadenosyl radical (5′-dAdo•). All through catalysis, homolytic cleavage of the Fe-C5′ bond liberates 5′-dAdo• for response with substrate, nevertheless proper right here we use Ω formation with out substrate to seek out out the thermal stability of Ω.
The response of Geobacillusthermodenitrificans SPL (GtSPL) with SAM varieties Ω inside ~ 15 ms after mixing. By monitoring the decay of Ω by the use of rapid-freeze-quench trapping at progressively longer situations we uncover an ambient temperature decay time of the Ω Fe-C5′ bond of τ ≈ 5-6 s, probably shortened by enzymatic activation as is the case with the Co-C5′ bond of B12.
We have now now extra used hand-quenching at situations as a lot as 10 min, and thus with numerous turnovers, to probe the future of the 5′-dAdo• radical liberated by Ω. Throughout the absence of substrate, Ω undergoes low-probability conversion to a safe protein radical. The WT enzyme with valine at residue 172 accumulates a Val•; mutation of Val172 to isoleucine or cysteine results in accumulation of an Ile• or Cys• radical, respectively. The buildings of the novel in WT, V172I, and V172C variants have been established by detailed EPR/DFT analyses.
Identification and characterization of proteinase B as an unstable problem for neutral lactase throughout the enzyme preparation from Kluyveromyceslactis
The stableness of the enterprise lactase enzyme is important for the dairy commerce. A destabilizing problem for neutral lactase throughout the enzyme preparation from Kluyveromyceslactis was investigated. We found that lactase had lower thermal stability when fragmented bands of lactase had been confirmed on SDS-PAGE. After the destabilizing problem of lactase was purified, that was acknowledged by BLAST search as a hypothetical protein in Okay. lactis identical to proteinase B (PRB) of Saccharomyces cerevisiae. The molecular mass of protease was estimated to be roughly 30 kDa with SDS-PAGE.
The purified protease exhibited train in the direction of lactase and FITC-casein nevertheless not in the direction of bovine serum albumin or milk casein. The optimum pH and temperature of the protease had been 8.Zero and 40 °C, respectively. The protease train was strongly inhibited by Fe2+, Cu2+, and a serine protease inhibitor, nevertheless activated by Ca2+. Primarily based totally on these properties, the protease was acknowledged as PRB. Lactase fragmentation was accelerated by the addition of purified PRB to the lactase preparation and was suppressed by protease inhibitors. Thus, that’s the main report again to find out and characterize PRB as a result of the unstable problem of neutral lactase throughout the Okay. lactis preparation.
Recombinant Borrelia Japonica bptA Protein (aa 1-206)
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant human FGF-basic is a 17.2 kDa protein consisting of 154 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant murine FGF-basic is a 16.2 kDa protein consisting of 145 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development, postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated, heparin-binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland, liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant Human FGF-basic (146 a.a.) is a 16.4 kDa protein consisting of 146 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant human FGF-basic is a 17.2 kDa protein consisting of 154 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant human FGF-basic is a 17.2 kDa protein consisting of 154 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant rat FGF-basic is a 16.3 kDa protein consisting of 145 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant rat FGF-basic is a 16.3 kDa protein consisting of 145 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant murine FGF-basic is a 16.2 kDa protein consisting of 145 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant murine FGF-basic is a 16.2 kDa protein consisting of 145 amino acid residues.
Description: FGF basic is a member of the FGF family of at least 23 related mitogenic proteins which show 35-60% amino acid conservation. FGF acidic and basic, unlike the other members of the family, lack signal peptides and are apparently secreted by mechanisms other than the classical protein secretion pathway. FGF basic has been isolated from a number of sources, including neural tissue, pituitary, adrenal cortex, corpus luteum, and placenta. This factor contains four cysteine residues, but reduced FGF basic retains full biological activity, indicating that disulfide bonds are not required for this activity. bFGF is a critical component of human embryonic stem cell culture medium; the growth factor is necessary for the cells to remain in an undifferentiated state, although the mechanisms by which it does this are poorly defined. It has been demonstrated to induce gremlin expression which in turn is known to inhibit the induction of differentiation by bone morphogenetic proteins. It is necessary in mouse-feeder cell dependent culture systems, as well as in feeder and serum-free culture systems.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant rat FGF-basic is a 16.3 kDa protein consisting of 145 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant murine FGF-basic is a 16.3 kDa protein consisting of 145 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development, postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated, heparin-binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland, liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant Human FGF-basic (146 a.a.) is a 16.4 kDa protein consisting of 146 amino acid residues.
Description: MBP Recombinant produced in E. coli is a single polypeptide chain containing 220 amino acids (1-197) and having a molecular mass of 23.9kDa.;MBP is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
MBP Myelin Basic Protein Human Recombinant Protein
Description: MBP Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 220 amino acids (1-197) and having a molecular mass of 23.9kDa.;MBP is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant Human FGF-basic (146 a.a.) is a 16.4 kDa protein consisting of 146 amino acid residues.
Description: FGF-basic is one of 23 known members of the FGF family. Proteins of this family play a central role during prenatal development and postnatal growth and regeneration of a variety of tissues, by promoting cellular proliferation and differentiation. FGF-basic is a non-glycosylated heparin binding growth factor that is expressed in the brain, pituitary, kidney, retina, bone, testis, adrenal gland liver, monocytes, epithelial cells and endothelial cells. FGF-basic signals through FGFR 1b, 1c, 2c, 3c and 4. Recombinant human FGF-basic is a 17.2 kDa protein consisting of 154 amino acid residues.
Description: BTF3 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 229 amino acids (1-206 a.a) and having a molecular mass of 24.6kDa.;BTF3 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Recombinant other Myelin Basic Protein Protein, His, E.coli-10ug
Description: CNN1 Human Recombinant produced in E. coli is a single polypeptide chain containing 305 amino acids (1-297) and having a molecular mass of 34.2 kDa.;CNN1 is fused to an 8 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.
BATF Basic Leucine Zipper Transcription Factor Human Recombinant Protein
Description: BATF Human Recombinant fused with a 20 amino acid His tag at N-terminus produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 145 amino acids (1-125 a.a.) and having a molecular mass of 16.2kDa. The BATF is purified by proprietary chromatographic techniques.
FGF-2 Fibroblast Growth Factor-Basic Bovine Recombinant Protein
Description: FGF-2 Bovine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 155 amino acids and having a molecular mass of 17250 Dalton. The Fibroblast Growth Factor 2 is purified by proprietary chromatographic techniques.
FGF-2 Fibroblast Growth Factor-Basic Human Recombinant Protein
Description: Fibroblast Growth Factor-2 Human Recombinant (FGF-2) produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 154 amino acids and having a molecular mass of 17.2kDa.;The FGF-b is purified by proprietary chromatographic techniques.
FGF-2 Fibroblast Growth Factor-basic Rat Recombinant Protein
Description: bFGF Rat Recombinant (FGF-2) produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and having a molecular mass of 16.4 kDa.;The bFGF2 is purified by proprietary chromatographic techniques.
FGF-2 Fibroblast Growth Factor-Basic Mouse Recombinant Protein
Description: Fibroblast Growth Factor-basic Mouse Recombinant (FGF-2) produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and having a molecular mass of 16.3kDa. The FGF-2 is purified by proprietary chromatographic techniques.
