› 2n91

Solution NMR

A key amino acid in the control of different functional behavior within the triheme cytochrome family from Geobacter sulfurreducens

Released:
DOI: 10.2210/pdb2n91/pdb
PDB entry 2n91 coloured by chain, ensemble of 20 models, front view.
PDB entry 2n91 coloured by chain, ensemble of 20 models, side view.
PDB entry 2n91 coloured by chain, ensemble of 20 models, top view.
Source organism: Geobacter sulfurreducens
Primary publication:
Unveiling the Structural Basis That Regulates the Energy Transduction Properties within a Family of Triheme Cytochromes from Geobacter sulfurreducens.
Dantas JM, Simões T, Morgado L, Caciones C, Fernandes AP, Silva MA, Bruix M, Pokkuluri PR, Salgueiro CA
J Phys Chem B 120 10221-10233 (2016)
PMID: 27603556

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: 7.78 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 HEM 3 x HEM
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this NMR entry.
Chemical shift assignment: 58%
Refinement method: simulated annealing
Expression system: Escherichia coli

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Citations

1 review citation

Protein Engineering of Electron Transfer Components from Electroactive Geobacter Bacteria.
Fernandes et al. (2021)
1 other article