EC - [ribosomal protein S18]-alanine N-acetyltransferase

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IntEnz Enzyme Nomenclature


Accepted name:
[ribosomal protein S18]-alanine N-acetyltransferase
Other name:
rimI (gene name)
Systematic name:
acetyl-CoA:N-terminal L-alanyl-[S18 protein of 30S ribosome] N-acetyltransferase



The enzyme, characterized from bacteria, is specific for protein S18, a component of the 30S ribosomal subunit. cf. EC, [ribosomal protein S5]-alanine N-acetyltransferase.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB


  1. Isono, K., Isono, S.
    Ribosomal protein modification in Escherichia coli. II. Studies of a mutant lacking the N-terminal acetylation of protein S18.
    Mol. Gen. Genet. 177 : 645-651 (1980). [PMID: 6991870]
  2. Yoshikawa, A., Isono, S., Sheback, A., Isono, K.
    Cloning and nucleotide sequencing of the genes rimI and rimJ which encode enzymes acetylating ribosomal proteins S18 and S5 of Escherichia coli K12.
    Mol. Gen. Genet. 209 : 481-488 (1987). [PMID: 2828880]
  3. Vetting, M. W., Bareich, D. C., Yu, M., Blanchard, J. S.
    Crystal structure of RimI from Salmonella typhimurium LT2, the GNAT responsible for N(alpha)-acetylation of ribosomal protein S18.
    Protein Sci. 17 : 1781-1790 (2008). [PMID: 18596200]

[EC created 1990 as EC, part-transferred 2018 to EC]