1jgx Summary

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Photosynthetic Reaction Center Mutant With Thr M 21 Replaced With Asp

The structure was published by Camara-Artigas, A., Magee, C.L., Williams, J.C., and Allen, J.P., in 2001 in a paper entitled "Individual interactions influence the crystalline order for membrane proteins." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 3.01 Å and deposited in 2001.

The experimental data on which the structure is based was not deposited.

This PDB entry contains a complex of 3 biomacromolecules, namely Photosynthetic Reaction Center L subunit, Photosynthetic Reaction Center M subunit, and Photosynthetic Reaction Center H subunit.

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 Photosynthetic Reaction Center L subunit P0C0Y8 (2-282) (RCEL_RHOSH)search Rhodobacter sphaeroidessearch 94% 281 100%
M Photosynthetic Reaction Center M subunit P0C0Y9 (2-308) (RCEM_RHOSH)search Rhodobacter sphaeroidessearch 96% 307 98%
H Photosynthetic Reaction Center H subunit 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) Photosynthetic Reaction Center L subunit Rhodobacter sphaeroides
P0C0Y9 (2 - 308) Photosynthetic Reaction Center M subunit Rhodobacter sphaeroides
P0C0Y7 (1 - 260) Photosynthetic Reaction Center H subunit Rhodobacter sphaeroides

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

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