| 3DFR: reference: Crystal structures of Escherichia coli and Lactobacillus casei dihydrofolate reductase refined at 1.7 A resolution. I. General features and binding of methotrexate., Bolin JT, Filman DJ, Matthews DA, Hamlin RC, Kraut J, J Biol Chem 1982 Nov 25;257(22):13650-62. PMID: 6815178 |
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