4ygo

X-ray diffraction
2.5Å resolution

Dodecameric structure of spermidine N-acetyltransferase from Vibrio cholerae in intermediate state

Released:

Function and Biology Details

Reaction catalysed:
Acetyl-CoA + an alkane-alpha,omega-diamine = CoA + an N-acetyldiamine
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dodecamer (preferred)
PDBe Complex ID:
PDB-CPX-191926 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Spermidine N(1)-acetyltransferase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 173 amino acids
Theoretical weight: 20.7 KDa
Source organism: Vibrio cholerae O1 biovar El Tor str. N16961
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9KL03 (Residues: 1-173; Coverage: 100%)
Gene names: VC_A0947, speG
Sequence domains: Acetyltransferase (GNAT) domain
Structure domains: Aminopeptidase

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-F
Spacegroup: C2
Unit cell:
a: 155.118Å b: 135.793Å c: 72.848Å
α: 90° β: 117.13° γ: 90°
R-values:
R R work R free
0.184 0.18 0.253
Expression system: Escherichia coli BL21(DE3)