2g3t

X-ray diffraction
1.8Å resolution

Crystal structure of human spermidine/spermine N1-acetyltransferase (hSSAT)

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 dimer (preferred)
PDBe Complex ID:
PDB-CPX-149349 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Diamine acetyltransferase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 179 amino acids
Theoretical weight: 21.12 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P21673 (Residues: 1-171; Coverage: 100%)
Gene names: SAT, SAT1
Sequence domains: Acetyltransferase (GNAT) family
Structure domains: Aminopeptidase

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A, RIGAKU MICROMAX-007
Spacegroup: C2221
Unit cell:
a: 65.43Å b: 65.666Å c: 181.065Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.227 0.227 0.26
Expression system: Escherichia coli BL21(DE3)