There are a number of ELISA Kits available for the measurement of B7H5, another term for the human protein, V-set immunoregulatory receptor. Other synonyms may include: V-type immunoglobulin domain-containing suppressor of T-cell activation, Death Domain1alpha, PDCD1 homolog, V-domain Ig suppressor of T cell activation, platelet receptor GI24, sisp-1, and stress-induced secreted protein-1. It is encoded by the VSIR gene to yield a protein 311 amino acids in length and 33.9 kDa in size. Versions of B7H5 are present in other organisms, including: Mouse, Rat, Frog, Chicken.