Lyophilized from sterile PBS, pH7.4, 10% Trehalose.
Molecular Mass
Recombinant Human CD4 Protein is fused with polyhistidine tag at the C-terminus, and has a calculated MW of 41.5 kDa. DTT-reduced Protein migrates as 50 kDa in SDS-PAGE due to glycosylation.
Endotoxin
< 1.0 EU per 1 microgram of protein (determined by LAL method).
Purity
> 92 % by SDS-PAGE.
BACKGROUND
Background
Accessory protein for MHC class-II antigen/T-cell receptor interaction. May regulate T-cell activation. Induces the aggregation of lipid rafts. (Microbial infection) Acts as a receptor for human immunodeficiency virus-1 (PubMed:2214026, PubMed:16331979, PubMed:9641677). Down-regulated by HIV-1 Vpu (PubMed:17346169). Acts as a receptor for Human Herpes virus 7/HHV-7 (PubMed:7909607).
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