X-ray diffraction
2.4Å resolution

Crystal structure of the signaling protein complex 5

Entry authors: Kumar V, van den Akker F

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
HNOB domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 182 amino acids
Theoretical weight: 20.36 KDa
Source organism: Nostoc sp. PCC 7120 = FACHB-418
Expression system: Escherichia coli
  • Canonical: Q8YUQ7 (Residues: 1-182; Coverage: 96%)
Gene name: alr2278
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: SSRL BEAMLINE BL7-1
Spacegroup: P213
Unit cell:
a: 123.267Å b: 123.267Å c: 123.267Å
α: 90° β: 90° γ: 90°
R R work R free
0.15 0.149 0.177
Expression system: Escherichia coli