>9y7q_B mol:protein length:208 Dihydrofolate reductaseGSHMMSTRPKISLIVAALQPSMGIGAKGSLPWRLKNEMKYFKDVTSKAKDGHINAVVMGRKTWELIPERFRPLAGRLNVILSRKNDDLIDSNGVYHFSSFDSVMKHLEKDSFRFKDMPLDKIFIIGGSQIYNLLILDSRVDNLLVTQVHFVGEDADKPQMDTFLDWDLSKWKRLEHDKLEQYVGLDVPRGLNEEGSYNYEYTMWEKAQ