4kvm

X-ray diffraction
2.6Å resolution

The NatA (Naa10p/Naa15p) amino-terminal acetyltransferase complex bound to a bisubstrate analog

Released:

Function and Biology Details

Reaction catalysed:
Acetyl-CoA + an N-terminal-L-alanyl-[protein] = an N-terminal-N(alpha)-acetyl-L-alanyl-[protein] + CoA

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-130811 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
N-terminal acetyltransferase A complex subunit nat1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 734 amino acids
Theoretical weight: 84.15 KDa
Source organism: Schizosaccharomyces pombe 972h-
Expression system: Escherichia coli
UniProt:
  • Canonical: O74985 (Residues: 1-729; Coverage: 100%)
Gene names: SPCC338.07c, nat1
Sequence domains: N-terminal acetyltransferase A, auxiliary subunit
Structure domains:
N-terminal acetyltransferase A complex catalytic subunit ard1 Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 156 amino acids
Theoretical weight: 18.03 KDa
Source organism: Schizosaccharomyces pombe 972h-
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UTI3 (Residues: 1-156; Coverage: 88%)
Gene names: SPAC15E1.08, ard1
Sequence domains: Acetyltransferase (GNAT) family
Structure domains: Aminopeptidase
bisubstrate analog inhibitor Chains: I, J, K, L
Molecule details ›
Chains: I, J, K, L
Length: 4 amino acids
Theoretical weight: 392 Da
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments


Cofactor: Ligand 1XE 4 x 1XE
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P1
Unit cell:
a: 81.439Å b: 119.381Å c: 134.063Å
α: 80.2° β: 76.6° γ: 70.42°
R-values:
R R work R free
0.224 0.222 0.26
Expression systems:
  • Escherichia coli
  • Not provided