>7kr5_O mol:protein length:244 19B5 Fab heavy chainMTLNMLLGLKWVFFVVFYQGVHCEVQLVESGGGLVQPKGSLKLSCAASGFTFNTYAMHWVRQAPGKGLEWVARIRTKSNNYATYYADSVKDRFTISRDDSQSMLYLQMNNLKTEDTAMYYCVRQKYGNYFDYWGQGTTLTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSSWPSETVTCNVAHPASSTKVDKKIVPRD