2bnp | pdb_00002bnp
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LIPIDIC CUBIC PHASE GROWN REACTION CENTRE FROM RHODOBACTER SPHAEROIDES, GROUND STATE
Overview
In bright light the photosynthetic reaction center (RC) of Rhodobacter, sphaeroides stabilizes the P(+)(870).Q(-)(A) charge-separated state and, thereby minimizes the potentially harmful effects of light saturation., Using X-ray diffraction we report a conformational change that occurs, within the cytoplasmic domain of this RC in response to prolonged, illumination with bright light. Our observations suggest a novel, structural mechanism for the regulation of electron transfer reactions in, photosynthesis.
About this Structure
2BNP is a [Protein complex] structure of sequences from [Rhodobacter sphaeroides] with FE2, PO4, CL, BCL, BH1, MST and U10 as [ligands]. Full crystallographic information is available from [OCA].
Reference
Conformational regulation of charge recombination reactions in a photosynthetic bacterial reaction center., Katona G, Snijder A, Gourdon P, Andreasson U, Hansson O, Andreasson LE, Neutze R, Nat Struct Mol Biol. 2005 Jul;12(7):630-1. Epub 2005 Jun 5. PMID:15937492
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- Protein complex
- Rhodobacter sphaeroides
- Andreasson, L.E.
- Andreasson, U.
- Gourdon, P.
- Hansson, O.
- Katona, G.
- Neutze, R.
- Snijder, A.
- BCL
- BH1
- CL
- FE2
- MST
- PO4
- U10
- Bacterial photosynthesis
- Bacteriochlorophyll
- Chlorophyll
- Chromophore
- Electron transport
- Ground state
- Intermediate trapping
- Iron
- Lipidic cubic phase
- Magnesium
- Membrane protein
- Reaction centre
- Transmembrane
- Transport
