2x5u Summary

pdbe.org/2x5u
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80 microsecond laue diffraction snapshot from crystals of a photosynthetic reaction centre without illumination.

The structure was published by Wohri, A.B., Katona, G., Johansson, L.C., et al., Davidsson, J., Groenhof, G., and Neutze, R., in 2010 in a paper entitled "Light-Induced Structural Changes in a Photosynthetic Reaction Center Caught by Laue Diffraction." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 3.0 Å and deposited in 2010.

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

This entry contains 16 copies of 4 unique biopolymers (complete list).

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 heterotetramers.

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
C PHOTOSYNTHETIC REACTION CENTER CYTOCHROME C SUBUNIT P07173 (21-356) (CYCR_BLAVI)search Blastochloris viridissearch 99% 336 98%
H REACTION CENTER PROTEIN H CHAIN P06008 (1-258) (RCEH_BLAVI)search Blastochloris viridissearch 100% 258 94%
L REACTION CENTER PROTEIN L CHAIN P06009 (1-274) (RCEL_BLAVI)search Blastochloris viridissearch 100% 274 99%
M REACTION CENTER PROTEIN M CHAIN P06010 (1-324) (RCEM_BLAVI)search Blastochloris viridissearch 100% 324 99%


This entry contains 4 unique UniProt proteins:

UniProt accession Name Organism PDB
P07173 (21 - 356) PHOTOSYNTHETIC REACTION CENTER CYTOCHROME C SUBUNIT Blastochloris viridis
P06008 (1 - 258) REACTION CENTER PROTEIN H CHAIN Blastochloris viridis
P06009 (1 - 274) REACTION CENTER PROTEIN L CHAIN Blastochloris viridis
P06010 (1 - 324) REACTION CENTER PROTEIN M CHAIN Blastochloris viridis

Chain Structural classification (CATH) Sequence family (Pfam)
C (P07173) Photosynthetic Reaction Center, subunit C, domain 2search PF02276: Photosynthetic reaction centre cytochrome C subunitsearch
H (P06008) 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
L (P06009) Membrane spanning alpha-helix pairssearch PF00124: Photosynthetic reaction centre proteinsearch
M (P06010) Membrane spanning alpha-helix pairssearch PF00124: Photosynthetic reaction centre proteinsearch

Chain ID Biological process (GO) Cellular component (GO) Molecular function (GO)
C (P07173) oxidation-reduction processsearch photosynthesis, light reactionsearch photosynthesissearch plasma membrane light-harvesting complexsearch plasma membranesearch membranesearch iron ion bindingsearch heme bindingsearch electron carrier activitysearch metal ion bindingsearch
H (P06008) photosynthesis, light reactionsearch protein-chromophore linkagesearch photosynthesissearch oxidation-reduction processsearch plasma membrane-derived chromatophore membranesearch membranesearch plasma membrane light-harvesting complexsearch integral component of membranesearch bacteriochlorophyll bindingsearch electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch chlorophyll bindingsearch
L (P06009) photosynthesis, light reactionsearch photosynthetic electron transport in photosystem IIsearch protein-chromophore linkagesearch photosynthesissearch oxidation-reduction processsearch plasma membrane-derived chromatophore membranesearch integral component of membranesearch membranesearch plasma membrane light-harvesting complexsearch bacteriochlorophyll bindingsearch electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch metal ion bindingsearch chlorophyll bindingsearch
M (P06010) oxidation-reduction processsearch photosynthesis, light reactionsearch photosynthetic electron transport in photosystem IIsearch photosynthesissearch protein-chromophore linkagesearch plasma membrane light-harvesting complexsearch plasma membrane-derived chromatophore membranesearch integral component of membranesearch membranesearch metal ion bindingsearch bacteriochlorophyll bindingsearch electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch chlorophyll bindingsearch

Chain InterPro annotation
C Photosynthetic reaction centre, cytochrome c subunitsearch Multihaem cytochromesearch Multihaem cytochrome, photosynthetic reaction centre cytochrome subunit-likesearch
H 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
L Photosynthetic reaction centre, L/Msearch Photosynthetic reaction centre, L subunitsearch
M Photosynthetic reaction centre, L/Msearch Photosynthetic reaction centre, M subunitsearch