› 1mbi

X-ray diffraction
2Å resolution

X-RAY CRYSTAL STRUCTURE OF THE FERRIC SPERM WHALE MYOGLOBIN: IMIDAZOLE COMPLEX AT 2.0 ANGSTROMS RESOLUTION

Released:
DOI: 10.2210/pdb1mbi/pdb
PDB entry 1mbi coloured by chain, front view.
PDB entry 1mbi coloured by chain, side view.
PDB entry 1mbi coloured by chain, top view.
Source organism: Physeter catodon
Primary publication:
X-ray crystal structure of the ferric sperm whale myoglobin: imidazole complex at 2.0 A resolution.
Lionetti C, Guanziroli MG, Frigerio F, Ascenzi P, Bolognesi M
J Mol Biol 217 409-12 (1991)
PMID: 1994031

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-135409 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Myoglobin Chain: A
Molecule details ›
Chain: A
Length: 153 amino acids
Theoretical weight: 17.23 KDa
Source organism: Physeter catodon
Expression system: Not provided
UniProt:
  • Canonical: P02185 (Residues: 2-154; Coverage: 99%)
Gene name: MB
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

3 bound ligands:
Ligand SO4 1 x SO4
Ligand HEM 1 x HEM
Ligand IMD 1 x IMD
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 64.9Å b: 30.76Å c: 34.86Å
α: 90° β: 105.67° γ: 90°
R-values:
R R work R free
0.148 not available not available
Expression system: Not provided

Quick links

Citations

2 review citations

Nonvertebrate hemoglobins: structural bases for reactivity.
Bolognesi et al. (1997)
1 more

8 mentions without citation

LIGSITEcsc: predicting ligand binding sites using the Connolly surface and degree of conservation.
Huang et al. (2006)
7 more