>9p6g_M mol:protein length:109 RM20A3 light chainALTQPPSVSGSPGQSVTISCTGTSSDIGSYNYVSWYQQHPGKAPKLMIYDVTQRPSGVSDRFSGSKSGNTASLTISGLQADDEADYYCSAYAGRQTFYIFGGGTRLTVL