>3j1s_L mol:protein length:214 A20 light chainDIQMTQSSSSFSVSLGDRVTITCKASEDIHNRLAWYKQKPGNAPRLLISGATSLETGVPSRFSGSGSGKDYTLSITSLQNEDVATYYCQQYWIGPFTFGSGTNLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC