>4lvn_B mol:protein length:212 NIMP.M7 Fab light chainDIVLTQSPATMSASLGQRVSMSCSASSSVSTSYFHWYQQKPGSSPKLWIYSTSNLASGVPGRFSGSGSGTSYSLSISSMEAEDAATYYCHQFHRSPLTFGAGTKLELKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNR