>5kem_I mol:protein length:121 c13C6 variable Fab domain heavy chainDVKLLESGGGLVQPGGSLKLSCAASGFSLSTSGVGVGWFRQPSGKGLEWLALIWWDDDKYYNPSLKSQLSISKDFSRNQVFLKISNVDIADTATYYCARRDPFGYDNAMGYWGQGTSVTVS