2cns

X-ray diffraction
2.5Å resolution

RimI - Ribosomal S18 N-alpha-protein acetyltransferase in complex with acetylCoA.

Released:

Function and Biology Details

Reaction catalysed:
Acetyl-CoA + an N-terminal L-alanyl-[S18 protein of 30S ribosome] = CoA + an N-terminal N-acetyl-L-alanyl-[S18 protein of 30S ribosome]

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-187218 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
[Ribosomal protein bS18]-alanine N-acetyltransferase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 160 amino acids
Theoretical weight: 18.33 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8ZJW4 (Residues: 1-148; Coverage: 100%)
Gene names: STM4558, rimI
Sequence domains: Acetyltransferase (GNAT) family
Structure domains: Aminopeptidase

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200B
Spacegroup: R32
Unit cell:
a: 133.663Å b: 133.663Å c: 192.156Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.206 0.203 0.262
Expression system: Escherichia coli