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In enzymology, a ribosomal-protein-alanine N-acetyltransferase (EC 22.214.171.124) is an enzyme that catalyzes the chemical reaction
- acetyl-CoA + ribosomal-protein L-alanine CoA + ribosomal-protein N-acetyl-L-alanine
Thus, the two substrates of this enzyme are acetyl-CoA and ribosomal-protein L-alanine, whereas its two products are CoA and ribosomal-protein N-acetyl-L-alanine.
This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is acetyl-CoA:ribosomal-protein-L-alanine N-acetyltransferase. This enzyme is also called ribosomal protein S18 acetyltransferase.
As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes 2CNM, 2CNS, and 2CNT.
- Yoshikawa A, Isono S, Sheback A, Isono K (1987). [Expression error: Missing operand for > "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: 481–8. doi:10.1007/BF00331153. PMID 2828880.