>6vlr_F mol:protein length:123 RM20E1 Fab Heavy ChainEVQLVQSEAEVKRPGESLKISCQTSGYNFPNYWITWVRQMPGKGLEWMGTIDPRDSDTKYSPSFQGQVTISADKSINTAYLQWTSLRASDSATYYCVMWVYILTTGNIWVDVWGPGVLVTVSS