1FE1 : CRYSTAL STRUCTURE PHOTOSYSTEM II

  • Wolfram Saenger (Contributor)
  • Athina Zouni (Contributor)
  • Norbert Krauß (Contributor)
  • Petra Fromme (Contributor)
  • Petra Fromme (Contributor)
  • H. T. Witt (Contributor)
  • P. Orth (Contributor)
  • J. Kern (Contributor)

Dataset

Description

Experimental Technique/Method:X-RAY DIFFRACTION
Resolution:3.8
Classification:PHOTOSYNTHESIS/ELECTRON TRANSPORT
Release Date:2001-02-14
Deposition Date:2000-07-20
Revision Date:2008-04-27#2011-07-13
Molecular Weight:276435.0
Macromolecule Type:Protein
Residue Count:2476
Atom Site Count:4328
DOI:10.2210/pdb1fe1/pdb

Abstract:
Oxygenic photosynthesis is the principal energy converter on earth. It is driven by photosystems I and II, two large protein-cofactor complexes located in the thylakoid membrane and acting in series. In photosystem II, water is oxidized; this event provides the overall process with the necessary electrons and protons, and the atmosphere with oxygen. To date, structural information on the architecture of the complex has been provided by electron microscopy of intact, active photosystem II at 15-30 A resolution, and by electron crystallography on two-dimensional crystals of D1-D2-CP47 photosystem II fragments without water oxidizing activity at 8 A resolution. Here we describe the X-ray structure of photosystem II on the basis of crystals fully active in water oxidation. The structure shows how protein subunits and cofactors are spatially organized. The larger subunits are assigned and the locations and orientations of the cofactors are defined. We also provide new information on the position, size and shape of the manganese cluster, which catalyzes water oxidation.
Date made availableFeb 14 2001
PublisherRCSB-PDB

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