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MetaCyc Reaction: [no EC number assigned]

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

Enzymes and Genes:

Arabidopsis thaliana col : phytoene synthase Inferred from experiment : PSY
Myxococcus xanthus : prephytoene-diphosphate synthase Inferred from experiment : crtB
Narcissus pseudonarcissus : chloroplastic phytoene synthase Inferred from experiment : PSY
Rhodobacter capsulatus : phytoene synthase Inferred from experiment : crtB
Xanthophyllomyces dendrorhous : lycopene cyclase/phytoene synthase bifunctional : crtYB
Zea mays : chloroplastic phytoene synthase Inferred from experiment : PSY1

Sub-reaction of:
2.5.1.99: 2 geranylgeranyl diphosphate = all-trans-phytoene + 2 diphosphate ,
2.5.1.32: 2 2-cis,6-trans,10-trans-geranylgeranyl diphosphate = 15-cis-phytoene + 2 diphosphate

In Pathway: trans-lycopene biosynthesis II (plants) , neurosporene biosynthesis

The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the direction in which it was curated.

Mass balance status: Balanced.

Standard Gibbs Free Energy (ΔrG in kcal/mol): -17.799988 Inferred by computational analysis [Latendresse13]

Gene-Reaction Schematic: ?

Gene-Reaction Schematic

Unification Links: KEGG:R02065 , Rhea:22296

Relationship Links: UniProt:RELATED-TO:P17056 , UniProt:RELATED-TO:P22872 , UniProt:RELATED-TO:P37295 , UniProt:RELATED-TO:P49293 , UniProt:RELATED-TO:P53609 , UniProt:RELATED-TO:P53610 , UniProt:RELATED-TO:P53612


References

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


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 19.0 on Mon Aug 3, 2015, BIOCYC14A.