› 1vhb

X-ray diffraction
1.83Å resolution

BACTERIAL DIMERIC HEMOGLOBIN FROM VITREOSCILLA STERCORARIA

Released:
DOI: 10.2210/pdb1vhb/pdb
PDB entry 1vhb coloured by chain, front view.
PDB entry 1vhb coloured by chain, side view.
PDB entry 1vhb coloured by chain, top view.
Source organism: Vitreoscilla stercoraria
Primary publication:
Unusual structure of the oxygen-binding site in the dimeric bacterial hemoglobin from Vitreoscilla sp.
Tarricone C, Galizzi A, Coda A, Ascenzi P, Bolognesi M
Structure 5 497-507 (1997)
PMID: 9115439

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-137535 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bacterial hemoglobin Chains: A, B
Molecule details ›
Chains: A, B
Length: 146 amino acids
Theoretical weight: 15.79 KDa
Source organism: Vitreoscilla stercoraria
Expression system: Escherichia coli
UniProt:
  • Canonical: P04252 (Residues: 1-146; Coverage: 100%)
Gene name: vhb
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

1 bound ligand:
Ligand HEM 2 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LURE BEAMLINE DW21B
Spacegroup: P21
Unit cell:
a: 63.32Å b: 41.42Å c: 62.94Å
α: 90° β: 106.17° γ: 90°
R-values:
R R work R free
0.184 0.184 0.25
Expression system: Escherichia coli

Quick links

Citations

12 review citations

Nonvertebrate hemoglobins: functions and molecular adaptations.
Weber et al. (2001)
11 more

9 mentions without citation

A structural biology community assessment of AlphaFold2 applications.
Akdel et al. (2022)
8 more