Chemokines Recombinant Proteins

Human BCA-1 Recombinant Protein (RPPB1099)

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RPPB1099

Description

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Product Name:Human BCA-1 Recombinant Protein
Product Code:RPPB1099
Size:20µg
Species:Human
Target:BCA-1
Synonyms:C-X-C motif chemokine 13, Small-inducible cytokine B13, B lymphocyte chemoattractant, CXC chemokine BLC, CXCL13, BCA1, BCA-1, CXCL-13, B cell Attracting Chemokine-1, BLC, ANGIE, BLR1L, SCYB13, ANGIE2.
Source:Escherichia Coli
Physical Appearance:Sterile Filtered colorless solution.
Formulation:BCA 1 protein solution (0.25mg/ml) containing 20mM Tris-HCl buffer (pH8.0), 0.4M Urea and 10% glycerol.
Stability:Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time.�For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Purity:Greater than 85.0% as determined by SDS-PAGE.
Amino Acid Sequence:MGSSHHHHHH SSGLVPRGSH MGSVLEVYYT SLRCRCVQES SVFIPRRFID RIQILPRGNG CPRKEIIVWK KNKSIVCVDP QAEWIQRMME VLRKRSSSTL PVPVFKRKIP

BCA-1 is a CXC chemokine that is highly expressed in thesecondary lymphoid organs, such as follicles of the spleen, lymph nodes, and Peyer's patches. CXCL13 promotes the migration of B lymphocytes (compared to T cells and macrophages), by stimulating calcium influx into, and chemotaxis of, cells expressing Burkitt's lymphoma receptor 1 (BLR1). BCA1 therefore function in the homing of B lymphocytes to follicles. Human BCA-1 shares a 64% amino acid sequence similarity with the mouse protein and 23 - 34% amino acid sequence identity with other known CXC chemokines. Recombinant or chemically synthesized BCA1 is a potent chemoattractant for B lymphocytes but not T lymphocytes, monocytes or neutrophils. BLR1, a G protein-coupled receptor originally isolated from Burkitt�s lymphoma cells, has now been shown to be the specific receptor for BCA1. Among cells of the hematopoietic lineages, the expression of BLR-1, now designated CXCR-5, is restricted to B lymphocytes and a subpopulation of T helper memory cells.

BCA 1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain topological domain containing 110 amino acids (23-109 a.a) and having a molecular mass of 12.7kDa. BCA 1 is fused to a 23 amino acid His-tag at N-terminus.

UniProt Protein Function:CXCL13: Chemotactic for B-lymphocytes but not for T-lymphocytes, monocytes and neutrophils. Does not induce calcium release in B- lymphocytes. Binds to BLR1/CXCR5. Belongs to the intercrine alpha (chemokine CxC) family.
UniProt Protein Details:

Protein type:Secreted, signal peptide; Motility/polarity/chemotaxis; Secreted

Chromosomal Location of Human Ortholog: 4q21

Cellular Component: extracellular space; extracellular region

Molecular Function:heparin binding; fibroblast growth factor binding; CXCR3 chemokine receptor binding; chemokine activity; protein heterodimerization activity; CCR10 chemokine receptor binding; CXCR5 chemokine receptor binding; receptor agonist activity

Biological Process: chronic inflammatory response; lymphocyte chemotaxis across high endothelial venule; response to lipopolysaccharide; regulation of angiogenesis; positive regulation of cell-cell adhesion mediated by integrin; positive regulation of integrin activation; lymph node development; regulation of cell proliferation; G-protein coupled receptor protein signaling pathway; elevation of cytosolic calcium ion concentration; cell surface receptor linked signal transduction; cell-cell signaling; regulation of humoral immune response; defense response to bacterium; germinal center formation; immune response; inflammatory response

NCBI Summary:B lymphocyte chemoattractant, independently cloned and named Angie, is an antimicrobial peptide and CXC chemokine strongly expressed in the follicles of the spleen, lymph nodes, and Peyer's patches. It preferentially promotes the migration of B lymphocytes (compared to T cells and macrophages), apparently by stimulating calcium influx into, and chemotaxis of, cells expressing Burkitt's lymphoma receptor 1 (BLR-1). It may therefore function in the homing of B lymphocytes to follicles. [provided by RefSeq, Oct 2014]
UniProt Code:O43927
NCBI GenInfo Identifier:7673945
NCBI Gene ID:10563
NCBI Accession:O43927.1
UniProt Related Accession:O43927
Molecular Weight:12,664 Da
NCBI Full Name:C-X-C motif chemokine 13
NCBI Synonym Full Names:chemokine (C-X-C motif) ligand 13
NCBI Official Symbol:CXCL13��
NCBI Official Synonym Symbols:BLC; BCA1; ANGIE; BCA-1; BLR1L; ANGIE2; SCYB13��
NCBI Protein Information:C-X-C motif chemokine 13; CXC chemokine BLC; B-cell chemoattractant; B-lymphocyte chemoattractant; b lymphocyte chemoattractant; small-inducible cytokine B13; B-cell-attracting chemokine 1; b cell-attracting chemokine 1; chemokine (C-X-C motif) ligand 13 (B-cell chemoattractant); B-cell-homing chemokine (ligand for Burkitt's lymphoma receptor-1); small inducible cytokine B subfamily (Cys-X-Cys motif), member 13 (B-cell chemoattractant)
UniProt Protein Name:C-X-C motif chemokine 13
UniProt Synonym Protein Names:Angie; B cell-attracting chemokine 1; BCA-1; B lymphocyte chemoattractant; CXC chemokine BLC; Small-inducible cytokine B13
Protein Family:Beta carbonic anhydrase
UniProt Gene Name:CXCL13��
UniProt Entry Name:CXL13_HUMAN
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Additional Information

Product Type:
Recombinant Protein
Species:
Human
Uniprot:
O43927
Research Area:
Chemokines
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