重組大鼠 B2M / Beta-2-microglobulin 蛋白|Beta-2 microglobulin Protein|廠家現貨|價格

B2M / beta-2 microglobulin蛋白產品信息
產品名稱：重組大鼠 B2M / Beta-2-microglobulin 蛋白|Beta-2 microglobulin Protein|廠家現貨|價格
別名: B2M
表達方式: 
A DNA sequence encoding the rat B2M (P07151) (Met 1-Met 119) was expressed, fused with a polyhistidine tag at the C-terminus.
種屬: Rat
表達宿主: Human Cells

B2M / beta-2 microglobulin蛋白質控指標
純度: > 97 % as determined by SDS-PAGE SDS-PAGE
內**: < 1.0 EU per μg of the protein as determined by the LAL method
穩定性: Samples are stable for up to twelve months from date of receipt at -70℃
預測N端: Ile 21
分子量: The secreted recombinant rat B2M comprises 110 amino acids and predicts a molecular mass of 13 kDa. The apparent molecular mass of the rat B2M is approximately 15 kDa in SDS-PAGE under reducing conditions.
緩沖液: Lyophilized from sterile PBS, pH7.4.
Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
Please contact us for any concerns or special requirements.

B2M / beta-2 microglobulin蛋白使用指南
儲存方法: Store it under sterile conditions at -70℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution: A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

B2M / beta-2 microglobulin蛋白背景綜述
Beta-2-microglobulin, also known as B2M, is a secreted protein which belongs to thebeta-2-microglobulin family. It contains oneIg-like C1-type (immunoglobulin-like) domain. Beta-2 microglobulin (B2M) plays a pivotal role in the biology of mammals, including its association with major histocompatibility complex (MHC) Class I gene products. The latter molecules have been shown to affect reproduction in both mice and humans. B2M forms the small invariable light chain subunit of class I HLA antigens on the cell membrane of all nucleated cells. During the continuous turnover of the HLA molecules. B2M is shed from the cell membrane into blood. Lymphocytes are the main source of serum free B2M. Serum B2M concentration is increased in renal diseases, various malignant diseases and some inflammatory and autoimmune disorders. In lymphatic malignancies serum B2M has significant prognostic value. 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.
參考文獻

Miyata T. et al.,1994 Biochemistry. 33: 12215-21.
Remes,K. et al.,1996, Leuk Lymphoma. 21 (3-4): 233-8.
Trinh CH. et al., 2002, Proc Natl Acad Sci. 99: 9771-6.
He XH. et al., 2004, Sheng Wu Gong Cheng Xue Bao. 20: 99-103.
Kihara M. et al., 2006, J Biol Chem. 281: 31061-9.
Ricagno S. et al., 2009, Biochem Biophys Res Commun. 380: 543-7.

包裝：20ug

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