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- 文献和实验
- 技术资料
- 保存条件:
-20℃
- 保质期:
12个月
- 英文名:
Recombinant Polymeric Immunoglobulin Receptor (PIGR)
- 库存:
100
- 供应商:
上海沪震
FOR IN VITRO AND RESEARCH USE ONLY, NOT FOR USE IN CLINICAL DIAGNOSTIC PROCEDURES!
Organism species Bos taurus; Bovine (Cattle)
Product No. RPB074Bo02
Source Prokaryotic expression
Host E.coli
Purity > 95%
UOM 50ug
Predicted Molecular Mass 11.5kDa
Predicted isoelectric point n/a
Applications SDS-PAGE; WB; ELISA; IP.
Endotoxin Level <1.0EU per 1µg (determined by the LAL method)
多聚免疫球蛋白受体(PIGR)重组蛋白
Subcellular Location n/a
Residues Arg250~Trp341 (Accession # P81265) with N-terminal His-Tag
Formulation Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl.
SEQUENCES
The target protein is fused with N-terminal His-Tag, its sequence is listed below.
MGHHHHHHSGSEF-R SSVTFDCSLG PEVANVPKFL CQKKNGGACN VVINTLGKKA QDFQGRIVSV PKDNGVFSVH ITSLRKEDAG RYVCGAQPEG EPQDGWPVQA W
USAGE
Reconstitute in sterile PBS, pH7.2-pH7.4.
STORAGE AND STABILITY
Storage: Avoid repeated freeze/thaw cycles. Store at 2-8oC for one month. Aliquot and store at -80oC for 12 months.
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.
About the MARKER (complimentary)
Effective Size Range: 10kDa to 70kDa.
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.
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文献和实验免疫球蛋白 Fc 段受体 Fc α R FcαR 即CD89分子,包括a1、a2和a3等不同的异型,其中a1是跨膜形式,胞膜外区有2个IgSFC2样结构域。CD89分布于外周血和黏膜组织中绝大部分吞噬细胞,某些T细胞和B细胞亚群也表达CD89。a1异型表达于单核细胞和中性粒细胞,a2异型表达于肺泡巨噬细胞。CD89可与IgAl和IgA2 h段结合,CD89为IgA中亲和力受体,能结合血清型或分泌型IgAl和IgA2,介导吞噬细胞的吞噬作用、超氧产生、释放
MHC及其相关分子 MHCⅠ类抗原:α链、β2M MHCⅡ类抗原:α、β链 β2M相关分子:CD1、Qa、TL 免疫球蛋白受体 PolyIgR(pIgR) IgG Fc段受体:FcγRⅠ(CD64)、FcγRⅡ、FcγRⅢ(CD16) Ige Fc段受体:FcεRIα链
,PD-1/PD-L1这么值钱,大家一定好奇它到底是什么鬼。 PD-1全名是程序性死亡分子1(programmed death-1)是Ishida等[1]通过消减杂交技术于1992年发现的[2],是CD28家族成员,胞质区含有2个酪氨酸残基,1个位于靠近N端的免疫受体酪氨酸抑制基序(ITIM)中,另一个1个位于靠近C端的免疫受体酪氨酸转化基序(ITSM)中[2]。 PD-L1(CD274)是B7家族成员,是PD-1的配体,属于1型跨膜蛋白,全长290个氨基酸,包含1个IgV样
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