X-ray diffraction
2.5Å resolution

Crystal structure of a bacterial nitric oxide sensor: an ortholog of mammalian soluble guanylate cyclase heme domain


Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Methyl-accepting transducer domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 195 amino acids
Theoretical weight: 22.86 KDa
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis MB4
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q8RBX6 (Residues: 1-191; Coverage: 32%)
Gene names: TTE0680, Tar4
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: SSRL BEAMLINE BL9-2
Spacegroup: P4232
Unit cell:
a: 120.607Å b: 120.607Å c: 120.607Å
α: 90° β: 90° γ: 90°
R R work R free
0.265 0.263 0.291
Expression system: Escherichia coli BL21(DE3)