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目录产物 » ICOS/CD278 (C136S, C137S), His, Human
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ICOS/CD278 (C136S, C137S), His, Human

Inducible co-stimulator (ICOS), also called AILIM (activiation-inducible lymphocyte immunomediatory molecule) and CRP-1 (CD28-related protein-1), is a member of the growing CD28 family of immune costimulatory receptors. Other family members are CD28, CTLA-4 and PD-1. Human ICOS is a homodimeric type I transmembrane protein consisting of 199 amino acids (aa) with a putative 20 aa signal sequence, a 121 aa extracellular domain, a 23 aa transmembrane region, and a 35 aa cytoplasmic domain.
￥3600
Z05392-100

产物介绍
Species Human
Protein Construction
ICOS/CD278 (C136S, C137S) [Glu21-Phe141 (C136S,C137S)]
Accession # Q9Y6W8-1		 His
N-term C-term
Purity >?95%?as?determined?by?Bis?Tris?PAGE?
>?95%?as?determined?by?HPLC
Endotoxin Level Less than 1EU per μg by the LAL method.
Biological Activity Measured by its binding ability in a functional ELISA. Immobilized ICOS/CD278 (C136S, C137S), His, Human at 5μg/ml (100μl/Well) on the plate can bind Human B7?H2, hFc Tag. Test result was comparable to standard batch.
Expression System HEK293
Theoretical Molecular Weight 14.8 kDa
Apparent Molecular Weight Due to glycosylation, the protein migrates to 35-40 kDa based on Bis-Tris PAGE result.
Formulation Lyophilized from 0.22μm filtered solution in PBS (pH 7.4).
Reconstitution Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.
Storage & Stability Upon receiving, the product remains stable up to 6 months at -20 °C or below. Upon reconstitution, the product should be stable for 3 months at -80 °C. Avoid repeated freeze-thaw cycles.
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技术背景
Target Background Inducible co-stimulator (ICOS), also called AILIM (activiation-inducible lymphocyte immunomediatory molecule) and CRP-1 (CD28-related protein-1), is a member of the growing CD28 family of immune costimulatory receptors. Other family members are CD28, CTLA-4 and PD-1. Human ICOS is a homodimeric type I transmembrane protein consisting of 199 amino acids (aa) with a putative 20 aa signal sequence, a 121 aa extracellular domain, a 23 aa transmembrane region, and a 35 aa cytoplasmic domain.
Synonyms AILIM; CD278; CRP-1; CVID1; ICOS; MGC39850
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For research use only. Not intended for human or animal clinical trials, therapeutic or diagnostic use.