>5f7k_D mol:protein length:120 Nanobody Nb-ER19QVQLQESGGGLVQPGGSLRLSCAASGSIFSGNVMGWYRQAPGKLREWVAAITPQGVPNYADSVKGRFTISRDNAKNMLYLQMSSLKPEDTALYYCNRLPNYRSWGQGTQVTVSSHHHHHH