PDBe 2o0g

X-ray diffraction
2.51Å resolution

Crystal structure of the H-NOX domain from Nostoc sp. PCC 7120 complexed to CO


Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Alr2278 protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 189 amino acids
Theoretical weight: 21.21 KDa
Source organism: Nostoc sp. PCC 7120
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q8YUQ7 (Residues: 1-189; Coverage: 100%)
Gene name: alr2278
Sequence domains: Haem-NO-binding
Structure domains: H-NOX domain

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P213
Unit cell:
a: 123.629Å b: 123.629Å c: 123.629Å
α: 90° β: 90° γ: 90°
R R work R free
0.187 0.185 0.228
Expression system: Escherichia coli BL21(DE3)