2bns Summary

pdbe.org/2bns
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Lipidic cubic phase grown reaction centre from Rhodobacter sphaeroides, excited state

The structure was published by Katona, G., Snijder, A., Gourdon, P., et al., Hansson, O., Andreasson, L.E., and Neutze, R., in 2005 in a paper entitled "Conformational Regulation of Charge Recombination Reactions in a Photosynthetic Bacterial Reaction Centre" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.5 Å and deposited in 2005.

The experimental data on which the structure is based was also deposited.

This PDB entry contains a complex of 3 biomacromolecules, namely REACTION CENTRE PROTEIN L CHAIN, REACTION CENTRE PROTEIN M CHAIN, and REACTION CENTRE PROTEIN H CHAIN.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule most likely forms heterotrimers.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A REACTION CENTRE PROTEIN L CHAIN P0C0Y8 (2-282) (RCEL_RHOSH)search Rhodobacter sphaeroidessearch 94% 281 100%
B REACTION CENTRE PROTEIN M CHAIN P0C0Y9 (2-308) (RCEM_RHOSH)search Rhodobacter sphaeroidessearch 96% 307 98%
C REACTION CENTRE PROTEIN H CHAIN P0C0Y7 (1-260) (RCEH_RHOSH)search Rhodobacter sphaeroidessearch 91% 260 91%


This entry contains 3 unique UniProt proteins:

UniProt accession Name Organism PDB
P0C0Y8 (2 - 282) REACTION CENTRE PROTEIN L CHAIN Rhodobacter sphaeroides
P0C0Y9 (2 - 308) REACTION CENTRE PROTEIN M CHAIN Rhodobacter sphaeroides
P0C0Y7 (1 - 260) REACTION CENTRE PROTEIN H CHAIN Rhodobacter sphaeroides

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A (P0C0Y8) Bacterial photosystem II reaction centre, L and M subunitssearch Membrane spanning alpha-helix pairssearch PF00124: Photosynthetic reaction centre proteinsearch
B (P0C0Y9) Bacterial photosystem II reaction centre, L and M subunitssearch Membrane spanning alpha-helix pairssearch PF00124: Photosynthetic reaction centre proteinsearch
C (P0C0Y7) Photosynthetic Reaction Center, subunit H, domain 1search, Photosynthetic Reaction Center, subunit H, domain 2search PF03967: Photosynthetic reaction centre, H-chain N-terminal regionsearch, PF05239: PRC-barrel domainsearch

Chain ID Molecular function (GO) Cellular component (GO) Biological process (GO)
A (P0C0Y8) metal ion bindingsearch electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch bacteriochlorophyll bindingsearch chlorophyll bindingsearch membranesearch plasma membrane-derived chromatophore membranesearch plasma membrane light-harvesting complexsearch integral component of membranesearch photosynthesissearch photosynthesis, light reactionsearch protein-chromophore linkagesearch photosynthetic electron transport in photosystem IIsearch oxidation-reduction processsearch
B (P0C0Y9) electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch chlorophyll bindingsearch metal ion bindingsearch bacteriochlorophyll bindingsearch integral component of membranesearch plasma membrane light-harvesting complexsearch membranesearch plasma membrane-derived chromatophore membranesearch photosynthetic electron transport in photosystem IIsearch protein-chromophore linkagesearch oxidation-reduction processsearch photosynthesis, light reactionsearch photosynthesissearch
C (P0C0Y7) electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch bacteriochlorophyll bindingsearch chlorophyll bindingsearch plasma membrane light-harvesting complexsearch membranesearch plasma membrane-derived chromatophore membranesearch integral component of membranesearch photosynthesis, light reactionsearch protein-chromophore linkagesearch oxidation-reduction processsearch photosynthesissearch

Chain InterPro annotation
A Photosynthetic reaction centre, L/Msearch Photosynthetic reaction centre, L subunitsearch
B Photosynthetic reaction centre, L/Msearch Photosynthetic reaction centre, M subunitsearch
C Photosynthetic reaction centre, H subunitsearch PRC-barrel-likesearch Bacterial photosynthetic reaction centre, H-chain, C-terminalsearch Photosynthetic reaction centre, H subunit, N-terminalsearch PRC-barrel domainsearch