› 3bxu

X-ray diffraction
1.35Å resolution

PpcB, A Cytochrome c7 from Geobacter sulfurreducens

Released:
DOI: 10.2210/pdb3bxu/pdb
PDB entry 3bxu coloured by chain, front view.
PDB entry 3bxu coloured by chain, side view.
PDB entry 3bxu coloured by chain, top view.
Source organism: Geobacter sulfurreducens
Primary publication:
Structural insights into the modulation of the redox properties of two Geobacter sulfurreducens homologous triheme cytochromes.
Morgado L, Bruix M, Orshonsky V, Londer YY, Duke NE, Yang X, Pokkuluri PR, Schiffer M, Salgueiro CA
Biochim Biophys Acta 1777 1157-65 (2008)
PMID: 18534185

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181069 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome c7-like domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 71 amino acids
Theoretical weight: 7.74 KDa
Source organism: Geobacter sulfurreducens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q74G83 (Residues: 21-91; Coverage: 100%)
Gene names: GSU0364, ppcB
Sequence domains: Cytochrome c7 and related cytochrome c
Structure domains: Cytochrome C3

Ligands and Environments

2 bound ligands:
Ligand SO4 1 x SO4
Ligand HEM 6 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P212121
Unit cell:
a: 34.2Å b: 47.5Å c: 88.9Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.164 0.162 0.186
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

7 review citations

Exploring the dominant role of Cav1 channels in signalling to the nucleus.
Ma et al. (2012)
6 more

2 mentions without citation

DEELIG: A Deep Learning Approach to Predict Protein-Ligand Binding Affinity.
Ahmed et al. (2021)
1 more