>3jcx_L mol:protein length:107 Fab E light chainLMTQIPASMSISVGDRVTMNCKASQNVDSNVDWYQQKTGQSPNLLIYKASNRNTGVPDRFTGSGSGTDFTFTISNMQAEDLAVYYCMQSTSYPLTFGSGTKLEIKRA