PDBe 3nml

X-ray diffraction
1.68Å resolution

Sperm whale myoglobin mutant H64W carbonmonoxy-form

Source organism: Physeter catodon
Primary publication:
Blocking the gate to ligand entry in human hemoglobin.
J. Biol. Chem. 286 10515-29 (2011)
PMID: 21193395

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Myoglobin Chain: A
Molecule details ›
Chain: A
Length: 154 amino acids
Theoretical weight: 17.41 KDa
Source organism: Physeter catodon
Expression system: Escherichia coli
  • Canonical: P02185 (Residues: 1-154; Coverage: 100%)
Gene name: MB
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH3R
Spacegroup: P212121
Unit cell:
a: 38.93Å b: 46.96Å c: 89.5Å
α: 90° β: 90° γ: 90°
R R work R free
0.169 0.166 0.196
Expression system: Escherichia coli