>7xst_L mol:protein length:117 F61 heavy chainEVQLVESGGGLVQPGGSLRLSCEASEIIVNRNYMNWVRQAPGKGLEWVSIIYPGGSTFYADSVKGRFTISRDNSKNTMYLQMNSLRAEDTAVYYCARSYGDFYVDFWGQGTLVTVSS