PDBe 1b5q

X-ray diffraction
1.9Å resolution

A 30 ANGSTROM U-SHAPED CATALYTIC TUNNEL IN THE CRYSTAL STRUCTURE OF POLYAMINE OXIDASE

Released:

Function and Biology Details

Reactions catalysed:
Spermidine + O(2) + H(2)O = propane-1,3-diamine + 4-aminobutanal + H(2)O(2). 
N(8)-acetylspermidine + O(2) + H(2)O = propane-1,3-diamine + 4-acetamidobutanal + H(2)O(2). 
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo hexamer
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Polyamine oxidase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 472 amino acids
Theoretical weight: 53.7 KDa
Source organism: Zea mays
UniProt:
  • Canonical: O64411 (Residues: 29-500; Coverage: 100%)
Gene name: PAO
Sequence domains:
Structure domains:

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: P6522
Unit cell:
a: 184.6Å b: 184.6Å c: 281.5Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.193 not available not available