CATH Classification

Domain Context

CATH Clusters

Superfamily P-loop containing nucleotide triphosphate hydrolases
Functional Family CTP synthase

Enzyme Information
CTP synthase (glutamine hydrolyzing).
based on mapping to UniProt P9WHK7
ATP + UTP + L-glutamine = ADP + phosphate + CTP + L-glutamate.
-!- The enzyme contains three functionally distinct sites: an allosteric GTP-binding site, a glutaminase site where glutamine hydrolysis occurs (cf. EC, and the active site where CTP synthesis takes place. -!- The reaction proceeds via phosphorylation of UTP by ATP to give an activated intermediate 4-phosphoryl UTP and ADP. -!- Ammonia then reacts with this intermediate generating CTP and a phosphate. -!- The enzyme can also use ammonia from the surrounding solution.

UniProtKB Entries (1)

Mycobacterium tuberculosis H37Rv
CTP synthase

PDB Structure

External Links
Primary Citation
Thiophenecarboxamide Derivatives Activated by EthA Kill Mycobacterium tuberculosis by Inhibiting the CTP Synthetase PyrG.
Mori, G., Chiarelli, L.R., Esposito, M., Makarov, V., Bellinzoni, M., Hartkoorn, R.C., Degiacomi, G., Boldrin, F., Ekins, S., de Jesus Lopes Ribeiro, A.L., Marino, L.B., Centarova, I., Svetlikova, Z., Blasko, J., Kazakova, E., Lepioshkin, A., Barilone, N., Zanoni, G., Porta, A., Fondi, M., Fani, R., Baulard, A.R., Mikusova, K., Alzari, P.M., Manganelli, R., de Carvalho, L.P., Riccardi, G., Cole, S.T., Pasca, M.R.