Recombinant Human ICOS protein, His-Avi-tagged

Specification :
| Description : 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. | Source : HEK293 | Species : Human | Tag : His-Avi | Form : Supplied as 0.22um filtered solution in PBS (pH 7.4). | Molecular Mass : The protein has a predicted MW of 16.7KDa. | Protein length : Glu21-Phe141 | Endotoxin : Less than 1EU per ug by the LAL method. | Storage : The product should be stored at -70°C. Please do not repeated freeze-thaw cycles.