Ly9 ELISA Kit (Mouse) (OKBB01380)

Description of target: T-lymphocyte surface antigen Ly-9 is a protein that in humans is encoded by the LY9 gene. This gene is mapped to 1 H3; 1 79.54 cM. Mature human CD229 consists of a 407 amino acid (aa) extracellular domain (ECD) with two Ig‑like V-set and two Ig‑like truncated C2-set domains. It also shows a 22 aa transmembrane segment, and a 179 aa cytoplasmic domain with two immunoreceptor tyrosine-based switch motifs ITSMs. The ECD of human CD229 shares 57%‑59% aa sequence identity with mouse and rat CD229. Within the first two Ig‑like domains that are common to all SLAM proteins, human CD229 shares 24%‑39% aa sequence identity with human 2B4, BLAME, CD2F-10, CD84, CRACC, NTB-A, and SLAM. Alternate splicing generates two additional isoforms that lack the juxtamembrane Ig‑like domain or short cytoplasmic region. CD229 is expressed on T and B cells, thymocytes, and more weakly on NK cells. Homophilic binding between CD229 molecules is mediated by the N-terminal Ig‑like domain. Human and mouse CD229 exhibit cross-species binding. Antigen stimulation of lymphocytes induces CD229 clustering to sites of T cell - B cell contact. Two tyrosines in the cytoplasmic domain are required for association of CD229 with the adaptor proteins AP-2 (μ2 chain) and GRB-2 and both are required for CD229 internalization.;Species reactivity: Mouse;Application: ELISA;Assay info: ;Sensitivity: <50pg/ml