3dts Summary

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E(L212)A, D(L213)A, R(M233)L triple mutant structure of photosynthetic reaction center from Rhodobacter sphaeroides

A publication describing this structure is not available. The depositing authors are Pokkuluri, P.R.search; Schiffer, M.search

This crystal structure was determined using X-ray diffraction at a resolution of 3.1 Å and deposited in 2008.

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

This PDB entry contains a complex of 3 biomacromolecules, namely Reaction center protein L chain, Reaction center protein M chain, and Reaction center 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
L Reaction center protein L chain P0C0Y8 (2-282) (RCEL_RHOSH)search Rhodobacter sphaeroidessearch 94% 281 100%
M Reaction center protein M chain P0C0Y9 (2-308) (RCEM_RHOSH)search Rhodobacter sphaeroidessearch 96% 314 96%
H Reaction center protein H chain P0C0Y7 (1-260) (RCEH_RHOSH)search Rhodobacter sphaeroidessearch 91% 260 92%


This entry contains 3 unique UniProt proteins:

UniProt accession Name Organism PDB
P0C0Y8 (2 - 282) Reaction center protein L chain Rhodobacter sphaeroides
P0C0Y9 (2 - 308) Reaction center protein M chain Rhodobacter sphaeroides
P0C0Y7 (1 - 260) Reaction center protein H chain Rhodobacter sphaeroides

Chain Structural classification (CATH) Sequence family (Pfam)
L (P0C0Y8) Membrane spanning alpha-helix pairssearch PF00124: Photosynthetic reaction centre proteinsearch
M (P0C0Y9) Membrane spanning alpha-helix pairssearch PF00124: Photosynthetic reaction centre proteinsearch
H (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) Biological process (GO) Cellular component (GO)
L (P0C0Y8) electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch metal ion bindingsearch chlorophyll bindingsearch bacteriochlorophyll bindingsearch photosynthesis, light reactionsearch photosynthesissearch photosynthetic electron transport in photosystem IIsearch protein-chromophore linkagesearch oxidation-reduction processsearch membranesearch integral component of membranesearch plasma membrane-derived chromatophore membranesearch plasma membrane light-harvesting complexsearch
M (P0C0Y9) electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch chlorophyll bindingsearch bacteriochlorophyll bindingsearch metal ion bindingsearch photosynthesis, light reactionsearch protein-chromophore linkagesearch photosynthesissearch oxidation-reduction processsearch photosynthetic electron transport in photosystem IIsearch integral component of membranesearch membranesearch plasma membrane-derived chromatophore membranesearch plasma membrane light-harvesting complexsearch
H (P0C0Y7) electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activitysearch chlorophyll bindingsearch bacteriochlorophyll bindingsearch photosynthesis, light reactionsearch oxidation-reduction processsearch photosynthesissearch protein-chromophore linkagesearch plasma membrane light-harvesting complexsearch integral component of membranesearch plasma membrane-derived chromatophore membranesearch membranesearch

Chain InterPro annotation
L Photosynthetic reaction centre, L/Msearch Photosynthetic reaction centre, L subunitsearch
M Photosynthetic reaction centre, L/Msearch Photosynthetic reaction centre, M subunitsearch
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