>sp|P63071|B2MG_SAGMY Beta-2-microglobulin OS=Saguinus mystax GN=B2M MARFVVVPLLVLLSLFGLEAIQHPPKIQVYSRYPADNGKPNFLNCYVSGFHPSDIEVDLL KNGKKIEKVEHSDLSFSKDWSFYLLYYTEFTPNEKDEYACRVSHVTFSTPKTVKWDRNM