>9piv_J mol:protein length:121 RM19R heavy chain FvEVQLVESGPGLVRPSETLSLTCAVSGDSISTNNGWSWIRQTPGKGLEWIGYINGRSGSTRYNPSLQSRVTISTDTSGNQFSLKVNSVTAADTAKYYCAFFWSTYYKRFDVWGPGVRVTVSS