3ne7

X-ray diffraction
2.3Å resolution

Crystal structure of paia n-acetyltransferase from thermoplasma acidophilum in complex with coenzyme a

Released:

Function and Biology Details

Reaction catalysed:
Acetyl-CoA + an alkane-alpha,omega-diamine = CoA + an N-acetyldiamine
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-190889 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Spermidine N(1)-acetyltransferase Chain: A
Molecule details ›
Chain: A
Length: 159 amino acids
Theoretical weight: 18.95 KDa
Source organism: Thermoplasma acidophilum
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q9HL57 (Residues: 1-159; Coverage: 99%)
Gene names: Ta0374, paiA
Sequence domains: Acetyltransferase (GNAT) family
Structure domains: Aminopeptidase

Ligands and Environments


Cofactor: Ligand COA 1 x COA
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: P43212
Unit cell:
a: 69.224Å b: 69.224Å c: 90.628Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.187 0.184 0.238
Expression system: Escherichia coli BL21