RT fs X-ray diffraction of Photosystem II, first illuminated state

Summary for 4IXR

DescriptorPhotosystem Q(B) protein 1, Photosystem II core light harvesting protein, Photosystem II CP43 protein, ... (35 entities in total)
Functional Keywordsiron, manganese, ps ii, ps2, transmembrane alpha-helix, electron transport, reaction center, water oxidation, membrane complex, thylakoid membrane, photosynthesis
Biological sourceThermosynechococcus elongatus
Cellular locationCellular thylakoid membrane; Multi-pass membrane protein P0A444 Q9F1R6
Cellular thylakoid membrane; Multi-pass membrane protein (By similarity) Q8CM25
Cellular thylakoid membrane; Single-pass membrane protein Q8DIP0 Q8DIN9 Q8DJ43 Q8DJZ6 Q9F1K9 Q8DIN8 Q8DHA7 Q8DIQ0 Q8DHJ2
Cellular thylakoid membrane; Single-pass membrane protein (By similarity) P59087 Q8DJI1
Cellular thylakoid membrane; Peripheral membrane protein; Lumenal side Q9F1L5 P0A386
Total number of polymer chains40
Total molecular weight765686
Primary citation
Kern, J.,Alonso-Mori, R.,Tran, R.,Hattne, J.,Gildea, R.J.,Echols, N.,Glockner, C.,Hellmich, J.,Laksmono, H.,Sierra, R.G.,Lassalle-Kaiser, B.,Koroidov, S.,Lampe, A.,Han, G.,Gul, S.,Difiore, D.,Milathianaki, D.,Fry, A.R.,Miahnahri, A.,Schafer, D.W.,Messerschmidt, M.,Seibert, M.M.,Koglin, J.E.,Sokaras, D.,Weng, T.C.,Sellberg, J.,Latimer, M.J.,Grosse-Kunstleve, R.W.,Zwart, P.H.,White, W.E.,Glatzel, P.,Adams, P.D.,Bogan, M.J.,Williams, G.J.,Boutet, S.,Messinger, J.,Zouni, A.,Sauter, N.K.,Yachandra, V.K.,Bergmann, U.,Yano, J.
Simultaneous femtosecond X-ray spectroscopy and diffraction of photosystem II at room temperature.
Science, 340:491-495, 2013
PubMed: 23413188 (PDB entries with the same primary citation)
DOI: 10.1126/science.1234273
MImport into Mendeley
Experimental method

Structure validation

RfreeClashscoreRamachandran outliersSidechain outliersRSRZ outliers0.31391.5%3.2%4.4%MetricValuePercentile RanksWorseBetterPercentile relative to all X-ray structuresPercentile relative to X-ray structures of similar resolution

More Asymmetric unit images

Molmil generated image of 4ixr
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Molmil generated image of 4ixr
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Molmil generated image of 4ixr
rotated about y axis by 90°