CATH Classification

Domain Context

CATH Clusters

Superfamily Aldolase class I
Functional Family

Enzyme Information

1.3.98.1
Dihydroorotate oxidase (fumarate).
based on mapping to UniProt Q57U83
(S)-dihydroorotate + fumarate = orotate + succinate.
-!- The reaction, which takes place in the cytosol, is the only redox reaction in the de novo biosynthesis of pyrimidine nucleotides. -!- Molecular oxygen can replace fumarate in vitro. -!- Other class 1 dihydroorotate dehydrogenases use either NAD(+) (EC 1.3.1.14) or NADP(+) (EC 1.3.1.15) as electron acceptor. -!- The membrane bound class 2 dihydroorotate dehydrogenase (EC 1.3.5.2) uses quinone as electron acceptor. -!- Formerly EC 1.3.3.1.

UniProtKB Entries (1)

Q57U83
PYRD_TRYB2
Trypanosoma brucei brucei TREU927
Dihydroorotate dehydrogenase (fumarate)

PDB Structure

PDB 2B4G
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Characterization of Trypanosoma brucei dihydroorotate dehydrogenase as a possible drug target; structural, kinetic and RNAi studies
Arakaki, T.L., Buckner, F.S., Gillespie, J.R., Malmquist, N.A., Phillips, M.A., Kalyuzhniy, O., Luft, J.R., Detitta, G.T., Verlinde, C.L., Van Voorhis, W.C., Hol, W.G., Merritt, E.A.
Mol.Microbiol.
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