› 4b3w

X-ray diffraction
2.8Å resolution

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-186755 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytoglobin Chains: A, B
Molecule details ›
Chains: A, B
Length: 190 amino acids
Theoretical weight: 21.39 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8WWM9 (Residues: 1-190; Coverage: 100%)
Gene names: CYGB, STAP
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

4 bound ligands:
Ligand HEM 2 x HEM
Ligand CYN 2 x CYN
Ligand FC6 2 x FC6
Ligand ACT 1 x ACT
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P212121
Unit cell:
a: 48.844Å b: 70.054Å c: 102.072Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.214 0.207 0.277
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

2 review citations

The globin superfamily: functions in nitric oxide formation and decay.
Tejero et al. (2014)
1 more