>8xef_D mol:protein length:121 GC2225 heavy chainQVQLVQSGAEVKRPGSSVKVSCKASGGPFRKYAISWVRQAPGQGLEWMGSNIPVFEATHYAPKFQGRVTITADDSTSTAYMELSSLRSEDTAVYYCARGETVVATATLDYWGQGTLVTVSS