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1.97.1.12: photosystem I

This is an abbreviated version!
For detailed information about photosystem I, go to the full flat file.

Word Map on EC 1.97.1.12

Reaction

reduced plastocyanin
+
oxidized ferredoxin
+
hnu
=
oxidized plastocyanin
+
reduced ferredoxin

Synonyms

OsCRR6, photosystem I P700 chlorophyll a apoprotein A2, PS I, PS-I, PS-I complex, PsaB, PsaF, PSI, PSI core complex

ECTree

     1 Oxidoreductases
         1.97 Other oxidoreductases
             1.97.1 Sole sub-subclass for oxidoreductases that do not belong in the other subclasses
                1.97.1.12 photosystem I

Metals Ions

Metals Ions on EC 1.97.1.12 - photosystem I

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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Mg2+
-
variations in the luminal Mg(II) concentration may modulate the binding between plastocyanin and photosystem I subunit PsaF during the light-dark transitions, being stronger in the illuminated state. The Mg(II) ion probably is bound close to Glu43 in the lower acidic patch, and most likely in the form of a hexaquo complex embedded within the hydration shell of plastocanin, suggesting a specific binding site for Mg(II) that may regulate the binding of plastocyanin to photosystem 1 in vivo