>5f8r_D mol:protein length:120 Nanobody Nb-ER19QVQLQESGGGLVQPGGSLRLSCAASGSIFSGNVMGWYRQAPGKLREWVAAITPQGVPNYADSVKGRFTISRDNAKNMLYLQMSSLKPEDTALYYCNRLPNYRSWGQGTQVTVSSHHHHHH