› 4n4k

X-ray diffraction
2.2Å resolution

Kuenenia stuttgartiensis hydroxylamine oxidoreductase soaked in hydroxylamine

Released:
DOI: 10.2210/pdb4n4k/pdb
PDB entry 4n4k coloured by chain, front view.
PDB entry 4n4k coloured by chain, side view.
PDB entry 4n4k coloured by chain, top view.
Source organism: Candidatus Kuenenia stuttgartiensis
Primary publication:
Structural basis of biological NO generation by octaheme oxidoreductases.
Maalcke WJ, Dietl A, Marritt SJ, Butt JN, Jetten MS, Keltjens JT, Barends TR, Kartal B
J Biol Chem 289 1228-42 (2014)
PMID: 24302732

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-172996 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Hydroxylamine oxidoreductase Chain: A
Molecule details ›
Chain: A
Length: 500 amino acids
Theoretical weight: 56.54 KDa
Source organism: Candidatus Kuenenia stuttgartiensis
UniProt:
  • Canonical: Q1PX48 (Residues: 37-536; Coverage: 98%)
Gene names: H3C64_04740, KSMBR1_2670, KsCSTR_43280, hao, hao_3, hox, kustc1061
Sequence domains:

Ligands and Environments

4 bound ligands:
Ligand PO4 3 x PO4
Ligand EDO 3 x EDO
Ligand HEC 8 x HEC
Ligand HOA 1 x HOA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P213
Unit cell:
a: 130.07Å b: 130.07Å c: 130.07Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.168 0.167 0.187

Quick links

Citations

5 review citations

The microbial nitrogen-cycling network.
Kuypers et al. (2018)
4 more

1 mention without citation

Structural basis of biological NO generation by octaheme oxidoreductases.
Maalcke et al. (2014)