>7ra8_H mol:protein length:126 Heavy chain Fab S2X259 Fab variable domainQVQLVQSGAEVKKPGSSVKVSCKASGGIFNTYTISWVRQAPGQGLEWMGRIILMSGMANYAQKIQGRVTITADKSTSTAYMELTSLRSDDTAVYYCARGFNGNYYGWGDDDAFDIWGQGTLVTVYS