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June 28th 2015
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June 28th 2015
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MetaCyc Reaction: 1.97.1.12

Superclasses: Reactions Classified By Conversion Type Simple Reactions Chemical Reactions Composite Reactions Electron-Transfer-Reactions
Reactions Classified By Conversion Type Simple Reactions Chemical Reactions Protein-Modification Reactions
Reactions Classified By Substrate Macromolecule Reactions Protein-Reactions Protein-Modification Reactions

EC Number: 1.97.1.12

Enzymes and Genes:

Arabidopsis thaliana col : photosystem I Traceable author statement to experimental support : PsaO , PsaG , PsaK , PsaF , PsaH1 , PsaL , PsaN , psaE2 , psaC , psaD1 , psaA , psaB
Chlamydomonas reinhardtii : Photosystem I iron-sulfur center Inferred from experiment : psaC
photosystem I Traceable author statement to experimental support : PsaO , PsaN , PsaL , PsaK , psaJ , PsaI , PsaH , PsaG , PsaF , PsaE , PsaD , psaC , psaB , psaA
Synechococcus elongatus PCC 7942 : photosystem I Traceable author statement to experimental support : psaL , psaK , psaJ , psaI , psaF , psaE , psaD , psaC , psaA , psaB
Synechocystis sp. PCC 6803 : photosystem I Inferred from experiment : psaK2 , psaM , psaL , psaK1 , psaJ , psaL , psaF , psaE , psaD , psaC , psaA , psaB

In Pathway: hydrogen production VIII , photosynthesis light reactions

Transport reaction diagram

Reaction Locations: chloroplast thylakoid membrane

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

Mass balance status: Balance undetermined; a substrate lacks a chemical formula

Enzyme Commission Primary Name: photosystem I

Enzyme Commission Summary:
Contains chlorophyll, phylloquinones, carotenoids and [4Fe-4S] clusters. Cytochrome c6 can act as an alternative electron donor, and flavodoxin as an alternative acceptor in some species.

Citations: [Takabe91, vanThor99, Chitnis01, Amunts10]

Gene-Reaction Schematic: ?

Gene-Reaction Schematic

Relationship Links: BRENDA:EC:1.97.1.12 , ENZYME:EC:1.97.1.12 , IUBMB-ExplorEnz:EC:1.97.1.12

Credits:
Created 14-Apr-2014 by Krummenacker M , SRI International


References

Amunts10: Amunts A, Toporik H, Borovikova A, Nelson N (2010). "Structure determination and improved model of plant photosystem I." J Biol Chem 285(5);3478-86. PMID: 19923216

Chitnis01: Chitnis PR (2001). "PHOTOSYSTEM I: Function and Physiology." Annu Rev Plant Physiol Plant Mol Biol 52;593-626. PMID: 11337410

Takabe91: Takabe T, Iwasaki Y, Hibino T, Ando T (1991). "Subunit composition of Photosystem I complex that catalyzes light-dependent transfer of electrons from plastocyanin to ferredoxin." J Biochem 110(4);622-7. PMID: 1778985

vanThor99: van Thor JJ, Geerlings TH, Matthijs HC, Hellingwerf KJ (1999). "Kinetic evidence for the PsaE-dependent transient ternary complex photosystem I/Ferredoxin/Ferredoxin:NADP(+) reductase in a cyanobacterium." Biochemistry 38(39);12735-46. PMID: 10504244


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 Jun 29, 2015, BIOCYC14B.