>7tm0_E mol:protein length:122 S2L20 Fab heavy chainEVQLVESGGGVVQPGGSLRLSCAASGFTFNSYGMHWVRQAPGKGLEWVAFIRYDGGNKYYADSVKGRFTISRDNSKNTLYLQMKSLRAEDTAVYYCANLKDSRYSGSYYDYWGQGTLVTVSS