CATH Domain 3rg9B00

CATH Classification

Level	CATH Code	Description
	3	Alpha Beta
	3.40	3-Layer(aba) Sandwich
	3.40.430	Dihydrofolate Reductase, subunit A
	3.40.430.10	Dihydrofolate Reductase, subunit A

Domain Context

CATH Clusters

Superfamily	Dihydrofolate Reductase, subunit A
Functional Family	Bifunctional dihydrofolate reductase-thymidylate synthase

Enzyme Information

2.1.1.45	Thymidylate synthase. based on mapping to UniProt Q27783 5,10-methylenetetrahydrofolate + dUMP = dihydrofolate + dTMP.
1.5.1.3	Dihydrofolate reductase. based on mapping to UniProt Q27783 5,6,7,8-tetrahydrofolate + NADP(+) = 7,8-dihydrofolate + NADPH. -!- The enzyme from animals and some micro-organisms also slowly reduces folate to 5,6,7,8-tetrahydrofolate. -!- Formerly EC 1.5.1.4.

UniProtKB Entries (1)

DRTS_TRYBB

Trypanosoma brucei brucei

Bifunctional dihydrofolate reductase-thymidylate synthase

PDB Structure

PDB	3RG9
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism
Primary Citation	Trypanosomal dihydrofolate reductase reveals natural antifolate resistance Vanichtanankul, J., Taweechai, S., Yuvaniyama, J., Vilaivan, T., Chitnumsub, P., Kamchonwongpaisan, S., Yuthavong, Y. Acs Chem.Biol.