› 2ldo

Solution NMR

Solution structure of triheme cytochrome PpcA from Geobacter sulfurreducens reveals the structural origin of the redox-Bohr effect

Released:
DOI: 10.2210/pdb2ldo/pdb
PDB entry 2ldo coloured by chain, ensemble of 20 models, front view.
PDB entry 2ldo coloured by chain, ensemble of 20 models, side view.
PDB entry 2ldo coloured by chain, ensemble of 20 models, top view.
Source organism: Geobacter sulfurreducens
Primary publication:
Revealing the structural origin of the redox-Bohr effect: the first solution structure of a cytochrome from Geobacter sulfurreducens.
Morgado L, Paixão VB, Schiffer M, Pokkuluri PR, Bruix M, Salgueiro CA
Biochem J 441 179-87 (2012)
PMID: 21861844

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-184510 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
PpcA Chain: A
Molecule details ›
Chain: A
Length: 71 amino acids
Theoretical weight: 7.75 KDa
Source organism: Geobacter sulfurreducens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8GGK7 (Residues: 21-91; Coverage: 78%)
Gene name: ppcA
Sequence domains: Cytochrome c7 and related cytochrome c
Structure domains: Cytochrome C3

Ligands and Environments

1 bound ligand:
Ligand HEC 3 x HEC
No modified residues

Experiments and Validation Details

Entry percentile scores
Chemical shift assignment: 57%
Refinement method: simulated annealing
Expression system: Escherichia coli

Quick links

Citations

4 review citations

Diving into the redox properties of Geobacter sulfurreducens cytochromes: a model for extracellular electron transfer.
Santos et al. (2015)
3 more

8 mentions without citation

Rational engineering of Geobacter sulfurreducens electron transfer components: a foundation for building improved Geobacter-based bioelectrochemical technologies.
Dantas et al. (2015)
7 more