› 1qqy

X-ray diffraction
1.85Å resolution

X-RAY CRYSTAL STRUCTURE ANALYSIS OF CANINE MILK LYSOZYME (APO-TYPE)

Released:
DOI: 10.2210/pdb1qqy/pdb
PDB entry 1qqy coloured by chain, front view.
PDB entry 1qqy coloured by chain, side view.
PDB entry 1qqy coloured by chain, top view.
Source organism: Canis lupus familiaris
Primary publication:
Structure and thermodynamics of the extraordinarily stable molten globule state of canine milk lysozyme.
Koshiba T, Yao M, Kobashigawa Y, Demura M, Nakagawa A, Tanaka I, Kuwajima K, Nitta K
Biochemistry 39 3248-57 (2000)
PMID: 10727216

Function and Biology Details

Reaction catalysed: 
Hydrolysis of (1->4)-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins
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-160549 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Lysozyme C, milk isozyme Chain: A
Molecule details ›
Chain: A
Length: 130 amino acids
Theoretical weight: 14.62 KDa
Source organism: Canis lupus familiaris
Expression system: Escherichia coli
UniProt:
  • Canonical: P81708 (Residues: 1-129; Coverage: 100%)
Sequence domains: C-type lysozyme/alpha-lactalbumin family
Structure domains: Lysozyme

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-18B
Spacegroup: P6122
Unit cell:
a: 68.577Å b: 68.577Å c: 107.063Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.178 0.178 0.215
Expression system: Escherichia coli

Quick links

Citations

2 review citations

Equine lysozyme: the molecular basis of folding, self-assembly and innate amyloid toxicity.
Morozova-Roche LA. (2007)
1 more

2 mentions without citation

Crystal structure of a charge engineered human lysozyme having enhanced bactericidal activity.
Gill et al. (2011)
1 more