>sp|Q5MGS7|B2MG_FELCA Beta-2-microglobulin OS=Felis catus GN=B2M MARFVVLVLLGLLYLSHLDAVQHSPKVQVYSRHPAENGKPNFLNCYVSGFHPPQIDITLM KNGKKMEAEQTDLSFNRDWTFYLLVHTEFTPTVEDEYSCQVNHTTLSEPKVVKWDRDM