>5isq_X mol:protein length:160 Dihydrofolate reductaseTLSILVAHDLQRVIGFENQLPWHLPNDLKNVKKLSTGHTLVMGRKTFESIGKPLPNRRNVVLTSDTSFNVEGVDVIHSIEDIYQLPGHVFIFGGQTLYEEMIDKVDDMYITVIEGKFRGDTFFPPYTFEDWEVASSVEGKLDEKNTIPHTFLHLIRKLEH