>5b3j_F mol:protein length:213 Fab, light chainDIQMTQSPSSLSASLGGKVTITCKASQDINKYIAWYQHKPGKGPRLLIQYTSTLQPDIPSRFTGSGSGRDYSFSISNLEPEDIAIYYCLQYDNLYTFGGGTQLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC