>8ejh_h mol:protein length:124 12.1F Fab heavy chainQVQLQESGAGLLKPSETLSLSCTVDGESFNGFFWTWIRQPPGKGLEWIGEINHLASTGYNPSLKSRVTISVDTSKNQFSLKLTSVTAADTAVYYCARGYSYGFAWPNYHYLDVWGKGTTVTVSS