货号:A2900690
同义名:
重组人B2M蛋白(E.coli, N-6His)
/ Recombinant Human B2M (N-6His); Beta-2-Microglobulin
Recombinant Human B2M (N-6His)由大肠杆菌表达系统生产,目标基因编码Ile21-Met119,并在N末端带有6His标签。
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描述 | β-2-Microglobulin (B2M) is a secreted protein with 1 Ig-like C1-type (immunoglobulin-like) domain which belongs to the beta-2-microglobulin family. B2M component of major histocompatibility complex (MHC) class I molecules, involved in the presentation of peptide antigens to the immune system. Polymers of beta 2-microglobulin can be found in tissues from patients on long-term hemodialysis. B2M is a protein found on the surface of many cells and plentiful on the surface of white blood cells. Serum B2M concentration is increased in renal diseases, various malignant diseases and some inflammatory and autoimmune disorders. B2M may adopt the fibrillar configuration of amyloid in certain pathologic states. The capacity to assemble into amyloid fibrils is concentration dependent. B2M has been shown as a marker for monitoring inflammatory disease activity and it appears likely to have a destructive role in amyloidosis-related arthritis. B2M might be involved in the OA (osteoarthritis) pathogenesis. Defects in B2M are the cause of hypercatabolic hypoproteinemia. Affected individuals show marked reduction in serum concentrations of immunoglobulin and albumin, probably due to rapid degradation. B2M could be a potential therapeutic target in ovarian cancer. |
蛋白种属 | Human |
表达系统 | E.coli |
标签 | N-6His |
蛋白表达区间 | Ile21-Met119 |
蛋白编号 | P61769 |
内毒素 | < 1 EU/µg as determined by LAL test. |
剂型 | 干粉 |
剂型描述 | Lyophilized from a 0.2 μm filtered solution of 20 mM PB, 50 mM NaCl, 6% Surcose, 5% Mannitol, 0.05% Tween80, pH8.0. |
复溶 | Always centrifuge tubes before opening.Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration less than 100μg/ml.
Dissolve the lyophilized protein in distilled water.
Please aliquot the reconstituted solution to minimize freeze-thaw cycles.如要长期保存,建议使用含载体蛋白(如 0.1%BSA、10%FBS、5%HSA)的溶液进一步稀释,如果是做无血清培养或者动物体内实验时,细胞因子中不能含有BSA、FBS 和 HAS,可以使用海藻糖作为载体,然后分装冻存于-20℃至-80℃。注:分装保存时建议使用低吸附的管子,并避免反复冻融;稀释分装浓度不低于 10μg/mL,分装体积不低于10μL。
分装后的蛋白在≤-20°C 下可稳定保存 3 个月。 |
CAS号 | N/A |
分子量 | 14 KDa |
SMILES Code | NONE |
别名 | 重组人B2M蛋白(E.coli, N-6His) ;Recombinant Human B2M (N-6His); Beta-2-Microglobulin; B2M |
运输 | 蓝冰 |
存储条件 |
In solvent -20°C: 3-6个月 -80°C: 12个月 Pure form Sealed in dry, store in freezer, under -20°C |