› 1v5h

X-ray diffraction
2.4Å resolution

Crystal Structure of Human Cytoglobin (Ferric Form)

Released:
DOI: 10.2210/pdb1v5h/pdb
PDB entry 1v5h coloured by chain, front view.
PDB entry 1v5h coloured by chain, side view.
PDB entry 1v5h coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Structural basis of human cytoglobin for ligand binding.
Sugimoto H, Makino M, Sawai H, Kawada N, Yoshizato K, Shiro Y
J Mol Biol 339 873-85 (2004)
PMID: 15165856

Function and Biology Details

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

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 Chain: A
Molecule details ›
Chain: A
Length: 193 amino acids
Theoretical weight: 21.72 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

1 bound ligand:
Ligand HEM 1 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL44B2
Spacegroup: P3221
Unit cell:
a: 74.401Å b: 74.401Å c: 59.634Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.248 0.248 0.25
Expression system: Escherichia coli BL21(DE3)

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Citations

13 review citations

Disulfides as redox switches: from molecular mechanisms to functional significance.
Wouters et al. (2010)
12 more

7 mentions without citation

Regulation of Nitric Oxide Metabolism and Vascular Tone by Cytoglobin.
Zweier et al. (2020)
6 more