>3f91_A mol:protein length:187 Dihydrofolate reductaseMVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFSRMTTTSSVEGKQNLVIMGKKTWFSIPEKFRPLKGRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND