› 8qjg

X-ray diffraction
1.8Å resolution

Crystal structure of cytochrome domain 2 from PgcA

Released:
DOI: 10.2210/pdb8qjg/pdb
Model geometry
Fit model/data
PDB entry 8qjg coloured by chain, front view.
PDB entry 8qjg coloured by chain, side view.
PDB entry 8qjg coloured by chain, top view.
Source organism: Geobacter sulfurreducens PCA
Primary publication:
Tethered heme domains in a triheme cytochrome allow for increased electron transport distances.
Nash BW, Fernandes TM, Burton JAJ, Morgado L, van Wonderen JH, Svistunenko DA, Edwards MJ, Salgueiro CA, Butt JN, Clarke TA
Protein Sci 33 e5200 (2024)
PMID: 39470321

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-280924 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome c domain-containing protein Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 98 amino acids
Theoretical weight: 9.98 KDa
Source organism: Geobacter sulfurreducens PCA
Expression system: Shewanella oneidensis MR-1
UniProt:
  • Canonical: Q74CB3 (Residues: 352-414; Coverage: 12%)
Gene names: GSU1761, pgcA

Ligands and Environments

3 bound ligands:
Ligand SO4 13 x SO4
Ligand HEC 6 x HEC
Ligand EDO 1 x EDO
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: C2
Unit cell:
a: 95.104Å b: 74.101Å c: 56.019Å
α: 90° β: 103.92° γ: 90°
R-values:
R R work R free
0.177 0.175 0.227
Expression system: Shewanella oneidensis MR-1

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