TY - RPRT TI - Dihydrofolate reductase from trimethoprim-resistant Escherichia coli MB 3746 and MB 3747. Purification, amino acid composition, and some kinetic properties. AU - M Poe AU - A S Breeze AU - J K Wu AU - C R Short AU - K Hoogsteen PY - 1979 UR - https://pubmed.ncbi.nlm.nih.gov/33983/ ID - 33983 ER -