B2M, Beta 2 microglobulin precursor, Beta-2 Microglobulin, Beta chain of mhc class 1 proteins, Hdcma22p, B2MG_HUMAN, Beta 2 microglobin, Beta 2 microglobulin precursor, Beta chain of mhc class 1 proteins, Beta chain of MHC class I molecules, Beta-2-microglobulin form pI 5.3, CDABP0092.