PDBe 4it8

X-ray diffraction
1.5Å resolution

A sperm whale myoglobin mutant L29H Mb with two distal histidines


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
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: 17.39 KDa
Source organism: Physeter catodon
Expression system: Escherichia coli BL21(DE3)
  • Best match: P02185 (Residues: 1-154)
Gene name: MB

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 39.899Å b: 48.433Å c: 78.923Å
α: 90° β: 90° γ: 90°
R R work R free
0.173 0.172 0.187
Expression system: Escherichia coli BL21(DE3)