>tr|A0A2R3QFZ4|A0A2R3QFZ4_9BURK dihydrofolate reductase OS=Melaminivora suipulveris GN=dfrA MKISLMAAVSENGVIGSGLDIPWHVQGEQLLFKAMTYNQWLLVGRKTFDSMGKLPNRKYA VVTRSKIISNDPDVVYFASVESALAYLNNATAHIFVSGGGEIYKALIDQADVIHLSVIHK HISGDVFFPPVPQGFKQTFEQSFSSNIDYTYQIWAKG