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| 品牌 | absin | 规格 | 10ug |
|---|---|---|---|
| 供货周期 | 一周 |
| 概述 | |
|---|---|
| 描述 | Recombinant Human BTLA is produced by our Mammalian expression system and the target gene encoding Lys31-Leu150 is expressed with a Fc tag at the C-terminus. |
| 别名 | B- and T-Lymphocyte Attenuator, B- and T-Lymphocyte-Associated Protein, CD272, BTLA |
| 形态 | Lyophilized from a 0.2 μm filtered solution of 20mM PB,150mM NaCl,pH7.4. |
| 来源 | Human Cells |
| 氨基酸序列 | KESCDVQLYIKRQSEHSILAGDPFELECPVKYCANRPHVTWCKLNGTTCVKLEDRQTSWKEEKNI SFFILHFEPVLPNDNGSYRCSANFQSNLIESHSTTLYVTGKQNELSDTAGREINLVDDIEGRMDE PKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDG VEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREP QVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLT VDKSRWGNVFSCSVMHEALHNHYTQKSLSLSPGK |
| 内毒素水平 | Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test. |
| Accession # | Q7Z6A9 |
| 性能 | |
|---|---|
| 背景 | B- and T-Lymphocyte Attenuator (BTLA) is a single-pass type I membrane protein containing 1 Ig-like V-type (immunoglobulin-like) domain. BTLA expression is induced during activation of T cells, and BTLA remains expressed on Th1 cells but not Th2 cells. Like PD1 and CTLA4, BTLA interacts with a B7 homolog, B7H4. However, unlike PD-1 and CTLA-4, BTLA displays T-Cell inhibition via interaction with tumor necrosis family receptors (TNF-R), not just the B7 family of cell surface receptors. BTLA is a lymphocyte inhibitory receptor that inhibits lymphocytes during immune response. BTLA also is a ligand for tumor necrosis factor (receptor) superfamily, member 14 (TNFRSF14), also known as herpes virus entry mediator (HVEM). BTLA-HVEM complexes negatively regulate T-cell immune responses. |
| 溶解方法 | Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100 μg/ml. Dissolve the lyophilized protein in ddH2O. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
| 保存方法 | Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months. |
| 纯度 | Greater than 95% as determined by reducing SDS-PAGE. |
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