>sp|Q71UN7|B2MG_SAIUS Beta-2-microglobulin OS=Saimiri ustus GN=B2M MARSVVAALLVLLSLSGLEAIQHAPKIQVYSRHPAENGKPNYLNCYVSGFHPSDIEVDLL KNGQKIENVEHSDLSFSKDWSFYLLYYTEFTPNEKDEYACRVSHVTFPTPKTVKWDRNM