photosystem II

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

Word Map on EC


2 H2O + 2 plastoquinone + 4 hnu =

+ 2 plastoquinol


oxygen-evolving photosystem II, Photosystem II, photosystem II lipoprotein Psb27, photosystem II protein D1 1, photosystem II protein D1 2, PS II, PsbA1, PsbA2, PSII, water:plastoquinone oxido-reductase, water:plastoquinone oxidoreductase


     1 Oxidoreductases
         1.10 Acting on diphenols and related substances as donors
             1.10.3 With oxygen as acceptor
       photosystem II

Systematic Name

Systematic Name on EC - photosystem II

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IUBMB Comments
H2O:plastoquinone reductase (light-dependent)
Contains chlorophyll a, beta-carotene, pheophytin, plastoquinone, a Mn4Ca cluster, heme and non-heme iron. Four successive photoreactions, resulting in a storage of four positive charges, are required to oxidize two water molecules to one oxygen molecule.