>|neonatal Fc receptor ectodomain beta-microglogulin part with C-terminal His6 tag(FcRn ECD beta) IQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDMHHHHHH