Entry
Name
(d)CTP diphosphatase;
(d)CTP pyrophosphohydrolase;
(d)CTP diphosphohydrolase;
nudG (gene name)
Class
Hydrolases;
Acting on acid anhydrides;
In phosphorus-containing anhydrides
BRITE hierarchy
Sysname
(deoxy)cytidine 5'-triphosphate diphosphohydrolase
Reaction(IUBMB)
(1) CTP + H2O = CMP + diphosphate [RN:
R00515 ];
(2) dCTP + H2O = dCMP + diphosphate [RN:
R01668 ]
Reaction(KEGG)
Substrate
Product
Comment
The enzyme, characterized from the bacterium Escherichia coli, is specific for the pyrimidine nucleotides CTP and dCTP. It also acts on 5-methyl-dCTP, 5-hydroxy-dCTP and 8-hydroxy-dGTP.
History
EC 3.6.1.65 created 2013
Pathway
Orthology
Genes
ECW : EcE24377A_1983(nudG)
EDJ : ECDH1ME8569_1703(nudG)
ECOI : ECOPMV1_01857(nudG)
REE : electrica_03020(nudG)
RTG : NCTC13098_04217(nudG)
CLAP : NCTC11466_02677(nudG)
KIE : NCTC12125_01678(nudG)
AHN : NCTC12129_02264(nudG)
METY : MRY16398_22170(nudG)
PSHI : SAMEA2665130_2102(nudG_2)
YPG : YpAngola_A2341(nudG)
YPI : YpsIP31758_1977(nudG)
SMW : SMWW4_v1c27290(nudG)
SFJ : SAMEA4384070_2761(nudG)
SOF : NCTC11214_04164(nudG)
LRI : NCTC12151_01462(nudG)
» show all
Taxonomy
Reference
Authors
O'Handley SF, Dunn CA, Bessman MJ
Title
Orf135 from Escherichia coli Is a Nudix hydrolase specific for CTP, dCTP, and 5-methyl-dCTP.
Journal
Sequence
Reference
Authors
Fujikawa K, Kasai H
Title
The oxidized pyrimidine ribonucleotide, 5-hydroxy-CTP, is hydrolyzed efficiently by the Escherichia coli recombinant Orf135 protein.
Journal
Sequence
Reference
Authors
Kamiya H, Iida E, Harashima H
Title
Important amino acids in the phosphohydrolase module of Escherichia coli Orf135.
Journal
Sequence
Reference
Authors
Iida E, Satou K, Mishima M, Kojima C, Harashima H, Kamiya H
Title
Amino acid residues involved in substrate recognition of the Escherichia coli Orf135 protein.
Journal
Sequence
Other DBs
ExplorEnz - The Enzyme Database: 3.6.1.65
ExPASy - ENZYME nomenclature database: 3.6.1.65
LinkDB
All DBs