Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
Metabolic Modeling Tutorial
discounted EARLY registration ends Dec 31, 2014
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MetaCyc Reaction: 2.7.7.74

Superclasses: Reactions Classified By Conversion Type Simple Reactions Chemical Reactions
Reactions Classified By Substrate Small-Molecule Reactions

EC Number: 2.7.7.74

Enzymes and Genes:
bifubnctional CTP:inositol-1-phosphate cytidylyltransferase/CDP-inositol:inositol-1-phosphate transferase Inferred from experiment : ipct/dipps ( Archaeoglobus fulgidus )

In Pathway: di-myo-inositol phosphate biosynthesis

The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the Enzyme Commission system.

Most BioCyc compounds have been protonated to a reference pH value of 7.3, and some reactions have been computationally balanced for hydrogen by adding free protons. Please see the PGDB Concepts Guide for more information.

Mass balance status: Balanced.

Enzyme Commission Primary Name: 1L-myo-inositol 1-phosphate cytidylyltransferase

Enzyme Commission Synonyms: CTP:inositol-1-phosphate cytidylyltransferase (bifunctional CTP:inositol-1-phosphate cytidylyltransferase/CDP-inositol:inositol-1-phosphate transferase (IPCT/DIPPS)), IPCT (bifunctional CTP:inositol-1-phosphate cytidylyltransferase/CDP-inositol:inositol-1-phosphate transferase (IPCT/DIPPS)), L-myo-inositol-1-phosphate cytidylyltransferase

Standard Gibbs Free Energy (ΔrG in kcal/mol): -103.30353 Inferred by computational analysis [Latendresse13]

Enzyme Commission Summary:
In many organisms this activity is catalyzed by a bifunctional enzyme. The cytidylyltransferase domain of the bifunctional EC 2.7.7.74/EC 2.7.8.34 (CTP:inositol-1-phosphate cytidylyltransferase/CDP-inositol:inositol-1-phosphate transferase) is absolutely specific for CTP and 1L-myo-inositol 1-phosphate. The enzyme is involved in biosynthesis of bis(1L-myo-inositol) 1,3'-phosphate, a widespread organic solute in microorganisms adapted to hot environments.

Citations: [Rodrigues07]

Gene-Reaction Schematic: ?

Unification Links: Rhea:30650

Relationship Links: BRENDA:EC:2.7.7.74 , ENZYME:EC:2.7.7.74 , IUBMB-ExplorEnz:EC:2.7.7.74

Credits:
Created 29-Nov-2010 by Caspi R , SRI International


References

Latendresse13: Latendresse M. (2013). "Computing Gibbs Free Energy of Compounds and Reactions in MetaCyc."

Rodrigues07: Rodrigues MV, Borges N, Henriques M, Lamosa P, Ventura R, Fernandes C, Empadinhas N, Maycock C, da Costa MS, Santos H (2007). "Bifunctional CTP:inositol-1-phosphate cytidylyltransferase/CDP-inositol:inositol-1-phosphate transferase, the key enzyme for di-myo-inositol-phosphate synthesis in several (hyper)thermophiles." J Bacteriol 189(15);5405-12. PMID: 17526717


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
Page generated by SRI International Pathway Tools version 18.5 on Wed Dec 17, 2014, biocyc12.