>6pfe_D mol:protein length:521 Bifunctional dihydrofolate reductase-thymidylate synthaseMSEKNVSIVVAASVLSSGIGINGQLPWSISEDLKFFSKITNNKCDSNKKNALIMGRKTWDSIGRRPLKNRIIVVISSSLPQDEADPNVVVFRNLEDSIENLMNDDSIENIFVCGGESIYRDALKDNFVDRIYLTRVALEDIEFDTYFPEIPETFLPVYMSQTFCTKNISYDFMIFEKQEKKTLQNCDPARGQLKSIDDTVDLLGEIFGIRKMGNRHKFPKEEIYNTPSIRFGREHYEFQYLDLLSRVLENGAYRENRTGISTYSIFGQMMRFDMRESFPLLTTKKVAIRSIFEELIWFIKGDTNGNHLIEKKVYIWSGNGSKEYLERIGLGHREENDLGPIYGFQWRHYNGEYKTMHDDYTGVGVDQLAKLIETLKNNPKDRRHILTAWNPSALSQMALPPCHVLSQYYVTNDNCLSCNLYQRSCDLGLGSPFNIASYAILTMMLAQVCGYEPGELAIFIGDAHIYENHLTQLKEQLSRTPRPFPQLKFKRKVENIEDFKWEDIELIGYYPYPTIKMDMAV