>7t9a_K mol:protein length:128 RM20A3 Fab Light ChainALTQPPSVSGSPGQSVTISCTGTSSDIGSYNYVSWYQQHPGKAPKLMIYDVTQRPSGVSDRFSGSKSGNTASLTISGLQADDEADYYCSAYAGRQTFYIFGGGTRLTVLGQPKASPTVTLFPPSSEEL