› 1l9j

X-ray diffraction
3.25Å resolution

X-Ray Structure of the Cytochrome-c(2)-Photosynthetic Reaction Center Electron Transfer Complex from Rhodobacter sphaeroides in Type I Co-Crystals

Released:
DOI: 10.2210/pdb1l9j/pdb
PDB entry 1l9j coloured by chain, front view.
PDB entry 1l9j coloured by chain, side view.
PDB entry 1l9j coloured by chain, top view.
Source organism: Cereibacter sphaeroides
Primary publication:
X-ray structure determination of the cytochrome c2: reaction center electron transfer complex from Rhodobacter sphaeroides.
Axelrod HL, Abresch EC, Okamura MY, Yeh AP, Rees DC, Feher G
J Mol Biol 319 501-15 (2002)
PMID: 12051924

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-142930 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Reaction center protein L chain Chains: L, R
Molecule details ›
Chains: L, R
Length: 281 amino acids
Theoretical weight: 31.35 KDa
Source organism: Cereibacter sphaeroides
UniProt:
  • Canonical: P0C0Y8 (Residues: 2-282; Coverage: 100%)
Gene name: pufL
Sequence domains: Photosynthetic reaction centre protein
Structure domains: Photosystem II protein D1-like
Reaction center protein M chain Chains: M, S
Molecule details ›
Chains: M, S
Length: 307 amino acids
Theoretical weight: 34.4 KDa
Source organism: Cereibacter sphaeroides
UniProt:
  • Canonical: P0C0Y9 (Residues: 2-308; Coverage: 100%)
Gene name: pufM
Sequence domains: Photosynthetic reaction centre protein
Structure domains: Photosystem II protein D1-like
Reaction center protein H chain Chains: H, T
Molecule details ›
Chains: H, T
Length: 260 amino acids
Theoretical weight: 28.07 KDa
Source organism: Cereibacter sphaeroides
UniProt:
  • Canonical: P0C0Y7 (Residues: 1-260; Coverage: 100%)
Gene name: puhA
Sequence domains:
Structure domains:
Cytochrome c2 Chains: C, D
Molecule details ›
Chains: C, D
Length: 124 amino acids
Theoretical weight: 13.49 KDa
Source organism: Cereibacter sphaeroides
UniProt:
  • Canonical: P0C0X8 (Residues: 1-124; Coverage: 100%)
Gene name: cycA
Structure domains: Cytochrome c-like domain

Ligands and Environments

7 bound ligands:
Ligand BCL 8 x BCL
Ligand BPH 4 x BPH
Ligand FE2 2 x FE2
Ligand CL 2 x CL
Ligand U10 2 x U10
Ligand LDA 4 x LDA
Ligand HEM 2 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P21
Unit cell:
a: 77.93Å b: 80.312Å c: 246.575Å
α: 90° β: 92.41° γ: 90°
R-values:
R R work R free
0.263 0.248 0.287

Quick links

Citations

12 review citations

Structure and function of photosystem I: interaction with its soluble electron carriers and external antenna systems.
Fromme et al. (2003)
11 more

6 mentions without citation

Overview of protein structural and functional folds.
Sun et al. (2004)
5 more