>7ldd_N mol:protein length:262 15F1 Fab heavy chainMVSAIVLYVLLAAAAHSAFAMQAQLKESGPGLVAPSQSLSITCTVSGFSLTNYGVHWVRQPPGKGLEWLGVIWAGGSTNYNSALMSRVSISKDNSKSQVFLKMNSLQTDDTVMYYCAREDYDYDWHFDVWGAGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKLEVLFQGPGSGSADTITIRGYVRDNR