Enzyme

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     3. Hydrolases
        3.6 Acting on acid anhydrides
            3.6.1 In phosphorus-containing anhydrides
ID:3.6.1.66
Description:XTP/dITP diphosphatase.
Alternative Name: Hypoxanthine/xanthine dNTP pyrophosphatase.

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 3.6.1.66
BRENDA Enzyme Link: BRENDA 3.6.1.66
KEGG Enzyme Link: KEGG3.6.1.66
BioCyc Enzyme Link: BioCyc 3.6.1.66
ExPASy Enzyme Link: ExPASy3.6.1.66
EC2PDB Enzyme Link: EC2PDB 3.6.1.66
ExplorEnz Enzyme Link: ExplorEnz 3.6.1.66
PRIAM enzyme-specific profiles Link: PRIAM 3.6.1.66
IntEnz Enzyme Link: IntEnz 3.6.1.66
MEDLINE Enzyme Link: MEDLINE 3.6.1.66
MSA:

3.6.1.66;

Phylogenetic Tree:

3.6.1.66;

Uniprot:
M-CSA:
RHEA:29399 H2O + ITP = diphosphate + H(+) + IMP
RULE(radius=1) [*:1]-[O;H0;+0:2]-[P;H0;+0:3](=[*:4])(-[*:5])-[*:6].[OH2;+0:7]>>[*:1]-[OH;+0:2].[*:4]=[P;H0;+0:3](-[*:5])(-[*:6])-[OH;+0:7]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Molecular basis of the antimutagenic activity of the house-cleaning inosine triphosphate pyrophosphatase RdgB from Escherichia coli.Savchenko A, Proudfoot M, Skarina T, Singer A, Litvinova O, Sanishvili R, Brown G, Chirgadze N, Yakunin AF2007 Dec 717976651
Identification of the dITP- and XTP-hydrolyzing protein from Escherichia coli.Chung JH, Park HY, Lee JH, Jang Y2002 Jul 3112297000
Biochemical characterization of a novel hypoxanthine/xanthine dNTP pyrophosphatase from Methanococcus jannaschii.Chung JH, Back JH, Park YI, Han YS2001 Jul 1511452035
Structure-based identification of a novel NTPase from Methanococcus jannaschii.Hwang KY, Chung JH, Kim SH, Han YS, Cho Y1999 Jul10404228

RHEA:28610 H2O + XTP = diphosphate + H(+) + XMP
RULE(radius=1) [*:1]-[O;H0;+0:2]-[P;H0;+0:3](=[*:4])(-[*:5])-[*:6].[OH2;+0:7]>>[*:1]-[OH;+0:2].[*:4]=[P;H0;+0:3](-[*:5])(-[*:6])-[OH;+0:7]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
MazG, a nucleoside triphosphate pyrophosphohydrolase, interacts with Era, an essential GTPase in Escherichia coli.Zhang J, Inouye M2002 Oct12218018
Molecular basis of the antimutagenic activity of the house-cleaning inosine triphosphate pyrophosphatase RdgB from Escherichia coli.Savchenko A, Proudfoot M, Skarina T, Singer A, Litvinova O, Sanishvili R, Brown G, Chirgadze N, Yakunin AF2007 Dec 717976651
Identification of the dITP- and XTP-hydrolyzing protein from Escherichia coli.Chung JH, Park HY, Lee JH, Jang Y2002 Jul 3112297000
Biochemical characterization of a novel hypoxanthine/xanthine dNTP pyrophosphatase from Methanococcus jannaschii.Chung JH, Back JH, Park YI, Han YS2001 Jul 1511452035
Structure-based identification of a novel NTPase from Methanococcus jannaschii.Hwang KY, Chung JH, Kim SH, Han YS, Cho Y1999 Jul10404228

RHEA:28342 dITP + H2O = dIMP + diphosphate + H(+)
RULE(radius=1) [*:1]-[O;H0;+0:2]-[P;H0;+0:3](=[*:4])(-[*:5])-[*:6].[OH2;+0:7]>>[*:1]-[OH;+0:2].[*:4]=[P;H0;+0:3](-[*:5])(-[*:6])-[OH;+0:7]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
MazG, a nucleoside triphosphate pyrophosphohydrolase, interacts with Era, an essential GTPase in Escherichia coli.Zhang J, Inouye M2002 Oct12218018
Molecular basis of the antimutagenic activity of the house-cleaning inosine triphosphate pyrophosphatase RdgB from Escherichia coli.Savchenko A, Proudfoot M, Skarina T, Singer A, Litvinova O, Sanishvili R, Brown G, Chirgadze N, Yakunin AF2007 Dec 717976651
Identification of the dITP- and XTP-hydrolyzing protein from Escherichia coli.Chung JH, Park HY, Lee JH, Jang Y2002 Jul 3112297000
Biochemical characterization of a novel hypoxanthine/xanthine dNTP pyrophosphatase from Methanococcus jannaschii.Chung JH, Back JH, Park YI, Han YS2001 Jul 1511452035