>3okd_B mol:protein length:222 S25-39 Fab (IgG1k) heavy chainEVKLVESGGGLVQPGGSLRLACATSGFTFTDYYMSWVRQPPGKALEWLGFIRNKAKGYTTEYSASVKGRFTISRDNSQSSLYLQMNTLRAEDSATYYCARDHDGYYERFAYWGQGTLVTVSAAATTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSTGVHTFPAVLSSDLYTLTSSVTVPSKTWPSETVTCNVAHPASSTKVDKKIVPA