› 1ash

X-ray diffraction
2.15Å resolution

THE STRUCTURE OF ASCARIS HEMOGLOBIN DOMAIN I AT 2.2 ANGSTROMS RESOLUTION: MOLECULAR FEATURES OF OXYGEN AVIDITY

Released:
DOI: 10.2210/pdb1ash/pdb
PDB entry 1ash coloured by chain, front view.
PDB entry 1ash coloured by chain, side view.
PDB entry 1ash coloured by chain, top view.
Source organism: Ascaris suum
Primary publication:
The structure of Ascaris hemoglobin domain I at 2.2 A resolution: molecular features of oxygen avidity.
Yang J, Kloek AP, Goldberg DE, Mathews FS
Proc Natl Acad Sci U S A 92 4224-8 (1995)
PMID: 7753786

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-151202 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Extracellular globin Chain: A
Molecule details ›
Chain: A
Length: 150 amino acids
Theoretical weight: 17.97 KDa
Source organism: Ascaris suum
Expression system: Not provided
UniProt:
  • Canonical: P28316 (Residues: 18-167; Coverage: 47%)
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

2 bound ligands:
Ligand HEM 1 x HEM
Ligand OXY 1 x OXY
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P3121
Unit cell:
a: 63.46Å b: 63.46Å c: 69.92Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.179 0.179 not available
Expression system: Not provided

Quick links

Citations

12 review citations

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

25 mentions without citation

SuperPose: a simple server for sophisticated structural superposition.
Maiti et al. (2004)
24 more