1u55

X-ray diffraction
1.77Å resolution

Crystal structure of an oxygen binding H-NOX domain related to soluble guanylate cyclases (oxygen complex)

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-185951 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Methyl-accepting transducer domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 188 amino acids
Theoretical weight: 22.05 KDa
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8RBX6 (Residues: 1-188; Coverage: 31%)
Gene names: TTE0680, Tar4
Sequence domains: Haem-NO-binding
Structure domains: H-NOX domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: C2
Unit cell:
a: 91.48Å b: 126.99Å c: 42.572Å
α: 90° β: 94.33° γ: 90°
R-values:
R R work R free
0.227 0.227 0.257
Expression system: Escherichia coli