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- 详细信息
- 文献和实验
- 技术资料
- 库存:
1000
- 英文名:
Recombinant Fc Fragment Of IgG Low Affinity IIIa Receptor (FcgR3A)
- 保质期:
12个月
- 供应商:
上海再康
- 保存条件:
-20℃
| Organism species | Mus musculus (Mouse) |
| Product No. | zk278Mu01 |
| Source | Prokaryotic expression |
| Host | E.coli |
| Purity | > 95% |
| UOM | 50ug |
| Predicted Molecular Mass | 58.7kDa |
| Concentration | 6.6 |
| Applications | SDS-PAGE; WB; ELISA; IP. |
| Endotoxin Level | <1.0EU per 1µg (determined by the LAL method) |
| Formulation | Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl. |
MSPILGYWKI KGLVQPTRLL LEYLEEKYEE HLYERDEGDK WRNKKFELGL EFPNLPYYID GDVKLTQSMA IIRYIADKHN MLGGCPKERA EISMLEGAVL DIRYGVSRIA YSKDFETLKV DFLSKLPEML KMFEDRLCHK TYLNGDHVTH PDFMLYDALD VVLYMDPMCL DAFPKLVCFK KRIEAIPQID KYLKSSKYIA WPLQGWQATF GGGDHPPKSD GSTSGSGHHH HHHSAGLVPR GSTAIGMKET AAAKFERQHM DSPDLGTLEV LFQGPLGSEF- LLPTAL VLTAFSGIQA GLQKAVVNLD PKWVRVLEED SVTLRCQGTF SPEDNSIKWF HNESLIPHQD ANYVIQSARV KDSGMYRCQT ALSTISDPVQ LEVHMGWLLL QTTKWLFQEG DPIHLRCHSW QNRPVRKVTY SQNGKGKKYF HENSELLIPK ATHNDSGSYF CRGLIGHNNK SSASFRISLG DPGSPSMFPP WHQITFCLLI GLLFAIDTVL YFSVRRGLQS PVADYEEPKI
Stability Test: The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.
Protein bands: 10kDa, 14kDa, 18kDa, 22kDa, 26kDa, 33kDa, 44kDa and 70kDa.
Double intensity bands: The 26kDa, 18kDa, 10kDa bands are at double intensity to make location and size approximation of proteins of interest quick and easy.
IgG-Fc片段低亲和力受体Ⅲa(FcγR3A)重组蛋白Ready-to-use: No need to heat, dilute or add reducing agents before use.
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文献和实验到的细胞类型表达FcR,同时反应抗体含有Fc段,都应该考虑进行Fc 阻断,来确保实验的特异性,减少非特异的产生。 那么,具体哪些细胞类型需要做Fc阻断? 首先,按FcR所结合的Ig种类不同可将其分为五类,即IgG(FcγR)、IgE(FcεR)、IgA(FcαR)、IgM(FcμR)和IgD(FcδR)。 IgG类型抗体的Fc受体是FcγR,依据和Fc片段亲和力的强弱,FcγR又可以被分为三个亚家族:FcγRI(CD64)、FcγRII(CD32)和FcγRIII(CD16)以及进一步还可以分为不同
肥大细胞产生的介质--Fc γRI 的作用 一般情况下,只有当其表面的FcεRI发生抗原依赖的聚集后,肥大细胞才释放促炎症介质。但有些时候,其他受体包括IgG高亲和力受体(FcγRl)、c-Kit、补体C3a受体及腺苷受体,也同样可以诱发或增强肥大细胞的活化。IgG受体(FcγR)的作用具有双重性,可以促进也可以抑制肥大细胞的活化。有关应答具有物种专一性,并依赖于肥大细胞的表型特征。 人类CD34阳性肥大细胞在IFN-γ作用下Fc
亲和力受体。FcγRⅢ有FcγRⅢA和FcγRⅢB两种异型:①FcγRⅢA,穿膜结构,主要分布于巨噬细胞、NK细胞和嗜酸性粒细胞,巨噬细胞表达高水平FcγRⅢA,而单核细胞表达水平较低。FcγRⅢA与二硫键连接的CD3ζ或FcεRⅠγ链双体相关,巨噬细胞上FcγRⅢA与CD3复合体γ链相关,NK/LGL上FcγRⅢA则与ζ链相关。TGF-β促进培养的单核细胞表达FcγRⅢA。②FcγRⅢB,通过GPI“锚”在中性粒细胞表面,每个人中性粒细胞表达10万~20万血液中可溶性的FcγRⅢ主要来自这种形式
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