>3ia4_B mol:protein length:162 Dihydrofolate reductaseMIVSMIAALANNRVIGLDNKMPWHLPAELQLFKRATLGKPIVMGRNTFESIGRPLPGRLNIVLSRQTDYQPEGVTVVATLEDAVVAAGDVEELMIIGGATIYNQCLAAADRLYLTHIELTTEGDTWFPDYEQYNWQEIEHESYAADDKNPHNYRFSLLERVK