› 1os6

X-ray diffraction
1.45Å resolution

Cytochrome c7 (PpcA) from Geobacter sulfurreducens

Released:
DOI: 10.2210/pdb1os6/pdb
PDB 1os6 coloured by chain and viewed from the front.
PDB 1os6 coloured by chain and viewed from the side.
PDB 1os6 coloured by chain and viewed from the top.
Source organism: Geobacter sulfurreducens
Primary publication:
Family of cytochrome c7-type proteins from Geobacter sulfurreducens: structure of one cytochrome c7 at 1.45 A resolution.
Pokkuluri PR, Londer YY, Duke NE, Long WC, Schiffer M
Biochemistry 43 849-59 (2004)
PMID: 14744127

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome_C7 domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 71 amino acids
Theoretical weight: 7.75 KDa
Source organism: Geobacter sulfurreducens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8GGK7 (Residues: 21-91; Coverage: 100%)
Gene names: YM18_0596, ppcA
Structure domains: Cytochrome C3

Ligands and Environments

3 bound ligands:
Ligand SO4 3 x SO4
Ligand HEC 3 x HEC
Ligand DXC 1 x DXC
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID, APS BEAMLINE 19-BM
Spacegroup: P4322
Unit cell:
a: 32.4Å b: 32.4Å c: 178.4Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.182 0.182 0.227
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

3 review citations

Multiheme proteins: effect of heme-heme interactions.
Lai et al. (2018)
2 more

1 mention without citation

Pitfalls in the interpretation of structural changes in mutant proteins from crystal structures.
Pokkuluri et al. (2012)