› 5v8k

X-ray diffraction
2.2Å resolution

Homodimeric reaction center of H. modesticaldum

Released:
DOI: 10.2210/pdb5v8k/pdb
PDB entry 5v8k coloured by chain, front view.
PDB entry 5v8k coloured by chain, side view.
PDB entry 5v8k coloured by chain, top view.
Source organisms:
Primary publication:
Structure of a symmetric photosynthetic reaction center-photosystem.
Gisriel C, Sarrou I, Ferlez B, Golbeck JH, Redding KE, Fromme R
Science 357 1021-1025 (2017)
PMID: 28751471

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-109214 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
p800 reaction center core protein Chain: A
Molecule details ›
Chain: A
Length: 600 amino acids
Theoretical weight: 66.92 KDa
Source organism: Heliomicrobium modesticaldum
UniProt:
  • Canonical: Q1MX24 (Residues: 9-608; Coverage: 99%)
Gene name: pshA
Sequence domains: Photosystem I psaA/psaB protein
proteinsubunit pshX Chain: B
Molecule details ›
Chain: B
Length: 25 amino acids
Theoretical weight: 3.05 KDa
Source organism: Heliomicrobium modesticaldum Ice1
UniProt:
  • Canonical: B0TAT4 (Residues: 13-37; Coverage: 63%)
Gene name: HM1_0821

Ligands and Environments

8 bound ligands:
Ligand GB0 2 x GB0
Ligand GBF 27 x GBF
Ligand AOH 1 x AOH
Ligand SF4 1 x SF4
Ligand DGG 2 x DGG
Ligand CA 2 x CA
Ligand LMT 2 x LMT
Ligand C4D 1 x C4D
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: C2
Unit cell:
a: 131.358Å b: 89.714Å c: 111.637Å
α: 90° β: 108.15° γ: 90°
R-values:
R R work R free
0.16 0.158 0.191

Quick links

Citations

5 review citations

Biosynthesis of the modified tetrapyrroles-the pigments of life.
Bryant et al. (2020)
4 more

7 mentions without citation

Protein Dynamics in F-like Bacterial Conjugation.
Bragagnolo et al. (2020)
6 more