>1rzg_B mol:protein length:214 Fab 412d heavy chainDIQMTQSPSTLSASVGDRVTITCRASQSISNWLAWYQQKPGRAPKLLMYKASSLKSGVPSRFSGSGSGTEFTLTISSLQSDDFATYYCQQHDSSPYTFGQGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKLYACEVTHQGLSSPVTKSFNRGEC