3tfy

X-ray diffraction
2.75Å resolution

Naa50p amino-terminal acetyltransferase bound to substrate peptide fragment and CoA

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-156580 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
N-alpha-acetyltransferase 50 Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 169 amino acids
Theoretical weight: 19.43 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9GZZ1 (Residues: 1-169; Coverage: 100%)
Gene names: MAK3, NAA50, NAT13, NAT5
Sequence domains: Acetyltransferase (GNAT) family
Structure domains: Aminopeptidase
Heterogeneous nuclear ribonucleoprotein F, N-terminally processed Chains: D, E, F
Molecule details ›
Chains: D, E, F
Length: 10 amino acids
Theoretical weight: 1.06 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P52597 (Residues: 2-8; Coverage: 2%)
Gene names: HNRNPF, HNRPF

Ligands and Environments


Cofactor: Ligand COA 3 x COA
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X6A
Spacegroup: P21
Unit cell:
a: 48.299Å b: 104.103Å c: 68.247Å
α: 90° β: 106.29° γ: 90°
R-values:
R R work R free
0.194 0.19 0.254
Expression systems:
  • Escherichia coli
  • Not provided