>tr|B4E0X1|B4E0X1_HUMAN Beta-2-microglobulin OS=Homo sapiens OX=9606 PE=2 SV=1
MSRSVALAVLALLSLSGLEAIQRTAKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLL
KNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWGKSYI
LL