› 8qj6

X-ray diffraction
1.55Å resolution

Crystal structure of cytochrome domain 1 from PgcA

Released:
DOI: 10.2210/pdb8qj6/pdb
Model geometry
Fit model/data
PDB entry 8qj6 coloured by chain, front view.
PDB entry 8qj6 coloured by chain, side view.
PDB entry 8qj6 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 domains:

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 Chain: A
Molecule details ›
Chain: A
Length: 97 amino acids
Theoretical weight: 9.74 KDa
Source organism: Geobacter sulfurreducens PCA
Expression system: Shewanella oneidensis MR-1
UniProt:
  • Canonical: Q74CB3 (Residues: 261-322; Coverage: 12%)
Gene names: GSU1761, pgcA
Sequence domains: Cytochrome C oxidase, cbb3-type, subunit III

Ligands and Environments

2 bound ligands:
Ligand NA 1 x NA
Ligand HEC 1 x HEC
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: I4
Unit cell:
a: 68.427Å b: 68.427Å c: 27.681Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.157 0.155 0.189
Expression system: Shewanella oneidensis MR-1

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