>9b7n_H mol:protein length:126 Fab2-4 heavy chainEVQLLESGGGLVHPGGSLRLSCAASGFPFSNFAMSWVRQAPGKGLEWVSTISGSSGSTYYADSVRGRFTISRDYSKNTVYLEMNSLRADDTAIYYCAKDRMITFGEVIVKHYDAFEIWGQGTRVAV