› 3ufk

X-ray diffraction
2.1Å resolution

Crystal structure of UndA complexed with Iron Nitrilotriacetate

Released:
DOI: 10.2210/pdb3ufk/pdb
PDB entry 3ufk coloured by chain, front view.
PDB entry 3ufk coloured by chain, side view.
PDB entry 3ufk coloured by chain, top view.
Source organism: Shewanella sp. HRCR_06
Primary publication:
The crystal structure of the extracellular 11-heme cytochrome UndA reveals a conserved 10-heme motif and defined binding site for soluble iron chelates.
Edwards MJ, Hall A, Shi L, Fredrickson JK, Zachara JM, Butt JN, Richardson DJ, Clarke TA
Structure 20 1275-84 (2012)
PMID: 22682743

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-123735 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome c-552/4 domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 874 amino acids
Theoretical weight: 92.49 KDa
Source organism: Shewanella sp. HRCR_06
Expression system: Shewanella oneidensis
UniProt:
  • Canonical: F8UWD6 (Residues: 28-843; Coverage: 97%)
Sequence domains: Cytochrome c554 and c-prime

Ligands and Environments

7 bound ligands:
Ligand HEC 11 x HEC
Ligand CA 1 x CA
Ligand MG 2 x MG
Ligand FE 4 x FE
Ligand O 2 x O
Ligand NTA 4 x NTA
Ligand GOL 4 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04-1
Spacegroup: P212121
Unit cell:
a: 69.5Å b: 105.87Å c: 151.52Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.158 0.155 0.205
Expression system: Shewanella oneidensis

Quick links

Citations

5 review citations

Extracellular electron transfer mechanisms between microorganisms and minerals.
Shi et al. (2016)
4 more

2 mentions without citation

Divergent Nrf Family Proteins and MtrCAB Homologs Facilitate Extracellular Electron Transfer in Aeromonas hydrophila.
Conley et al. (2018)
1 more