B2M tissues
B2M [ENSP00000497910]
Beta-2-microglobulin form pI 5.3; Component of the class I major histocompatibility complex (MHC). Involved in the presentation of peptide antigens to the immune system. Exogenously applied M.tuberculosis EsxA or EsxA-EsxB (or EsxA expressed in host) binds B2M and decreases its export to the cell surface (total protein levels do not change), probably leading to defects in class I antigen presentation . ; Belongs to the beta-2-microglobulin family.
Synonyms: B2M, B2Mp, hB2M, F5H6I0, H0YLF3 ...