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


Crystallization on EC - photosystem II

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analysis of the X-ray crystallographic structure of the PSII complexe from Thermosynechococcus elongatus at 2.9 A resolution, PDB entry code 3BZ1
modeling of the binding of lipoprotein Psb27 to the PSII surface in a region that is occupied by subunit PsbV in the mature complex. Psb27 is localized on the PSII surface adjacent to the large lumenal domain of light-harvesting protein CP43. Additional contacts associate Psb27 with light-harvesting protein CP47 and the C-termini of subunits PsbA and PsbB
molecular dynamics simulations of the complete PSII complex embedded in a lipid bilayer. PSII in the presence of plastoquinol shows a distinct dynamic behaviour which causes disruption of the interactions seen in the PSII-plastoquinone complex and leads to release of plastoquinol from the binding pocket. Displacement of plastoquinol closes the second water channel. Residue D1-Ser264 has a pivotal role in modulating the dynamics of the plastoquinone binding pocket and plastoquinol-plastoquinone exchange via its interaction with residue D1-His252