› 1mti

X-ray diffraction
1.9Å resolution

PHE46(CD4) ORIENTS THE DISTAL HISTIDINE FOR HYDROGEN BONDING TO BOUND LIGANDS IN SPERM WHALE MYOGLOBIN

Released:
DOI: 10.2210/pdb1mti/pdb
PDB entry 1mti coloured by chain, front view.
PDB entry 1mti coloured by chain, side view.
PDB entry 1mti coloured by chain, top view.
Source organism: Physeter catodon
Primary publication:
Phe-46(CD4) orients the distal histidine for hydrogen bonding to bound ligands in sperm whale myoglobin.
Lai HH, Li T, Lyons DS, Phillips GN, Olson JS, Gibson QH
Proteins 22 322-39 (1995)
PMID: 7479707

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: 154 amino acids
Theoretical weight: 17.33 KDa
Source organism: Physeter catodon
Expression system: Escherichia coli
UniProt:
  • Canonical: P02185 (Residues: 1-154; Coverage: 100%)
Gene name: MB
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

2 bound ligands:
Ligand SO4 1 x SO4
Ligand HEM 1 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P6
Unit cell:
a: 91.2Å b: 91.2Å c: 45.87Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.176 0.176 not available
Expression system: Escherichia coli

Quick links

Citations

2 review citations

Protein conformational substates from X-ray crystallography.
Rejto et al. (1996)
1 more

2 mentions without citation

Factors correlating with significant differences between X-ray structures of myoglobin.
Rashin et al. (2014)
1 more