Figure 1From: The association of DNA damage response and nucleotide level modulation with the antibacterial mechanism of the anti-folate drug TrimethoprimOverview of tetrahydrofolate metabolism. DHF: dihydrofolate; THF: tetahydrofolate (glu)1; H-THF: formyl-tetrahydrofolate; CH-THF: 5,10-methenyltetrahydrofolate; CH2-THF: 5,10-methylenetetrahydrofolate; CH3-THF: 5-methyltetrahydrofolate; Met: methionine; Ser: serine; Gly: glycine; SAM: S-adenosylmethionine; Td: thymidine; Pur: Purines; fMet: N-methionyl-tRNAfmet.Back to article page