>8s5u_B mol:protein length:138 Nb3.4
QVQLVESGGGLVQAGDSLRLSCAASGLTFSRYDMAWFRQAPGKEREFVAAITWTGSITDYADSVKGRFTISRDNAKNTIYLQMNSLKPEDTAVYYCAAAQVPYGSTLKFNLRTLFGSWGQGTQVTVSSHHHHHHEPEA