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카테고리
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Chemokines
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CAT.NO
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LGP-20-015
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PRODUCT
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BCA-1/CXCL13, Human
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SIZE
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20ug, 100ug, 500ug
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PRICE
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KRW 285,000, 880,000, 2,569,000
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Technical Parameters
| Synonyms |
Angie, B lymphocyte chemoattractant, CXC chemokine BLC, Small-inducible cytokine B13 |
| Species |
9 |
| Accession |
O43927 |
| GeneID |
10563 |
| Source |
Escherichia coli. |
| Molecular Weight |
Approximately 10.3 kDa, a single non-glycosylated polypeptide chain containing 87 amino acids. |
| Quantity |
20µg/100µg/500µg |
| AA Sequence |
VLEVYYTSLR CRCVQESSVF IPRRFIDRIQ ILPRGNGCPR KEIIVWKKNK SIVCVDPQAE WIQRMMEVLR KRSSSTLPVP VFKRKIP |
| Purity |
> 97 % by SDS-PAGE and HPLC analyses. |
| Biological Activity |
Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human B cells is in a concentration range of 1.0-10 ng/ml. |
| Physical Appearance |
Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation |
Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 100 mM NaCl. |
| Endotoxin |
Less than 1 EU/μg of rHuBCA-1/CXCL13 as determined by LAL method. |
| Reconstitution |
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions. |
| Stability & Storage |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 3 months, -20 to -70 °C under sterile conditions after reconstitution. |
| Usage |
This material is offered by Korea Lugen Sci for research, laboratory or further evaluation purposes. NOT FOR HUMAN USE. |
| Reference |
1. Legler DF, Loetscher M, Roos RS, et al. 1998. J Exp Med. 187:655-60.
2. Gunn MD, Ngo VN, Ansel KM, et al. 1998. Nature. 391:799-803.
3. Ansel KM, Harris RB, Cyster JG. 2002. Immunity. 16:67-76.
4. Ansel KM, Ngo VN, Hyman PL, et al. 2000. Nature. 406:309-14. |
| Background |
C-X-C motif chemokine 13 encoded by the CXCL13 gene located on human chromosome 4 is constitutively expressed in secondary lymphoid organs. It is also known as B lymphocyte chemoattractant (BLC). As its name suggests, CXCL13 is selectively chemotactic for B cells belonging to both the B-1 and B-2 subsets, and elicits its effects by interacting with chemokine receptor CXCR5. It and its receptor CXCR5 control the organization of B cells within follicles of lymphoid tissues. Recombinant human CXCL13 is a single non-glycosylated polypeptide chain containing 87 amino acids and mature human BCA-1 shares 64 % amino acid sequence similarity with the murine protein and 23–34 % amino acid sequence identity with other known CXC chemokines. |
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