>8erq_H mol:protein length:119 S2X324 Fab heavy chainQITLKESGPTLVKPTQTLTLTCTFSGFSVTTSGVGVGWIRQPPGKALEYLALIYWDDDKRYSTSLKSRLTITKDTSKNQVVLTMTNMDPVDTATYYCARHTIPSIFDYWGQGILVTVSS