protein-N-terminal amino-acid acetyltransferase activity https://github.com/geneontology/go-ontology/issues/24761 https://github.com/geneontology/go-ontology/issues/27532 https://github.com/geneontology/go-ontology/issues/29507 RHEA:57324 protein N-terminal acetyltransferase activity NAT activity peptide alpha-N-acetyltransferase activity RHEA:57328 acetyl-CoA:peptide nalpha-acetyltransferase activity RHEA:57320 RHEA:21028 RHEA:50508 GO:0004596 nalpha-acetyltransferase activity EC:2.3.1.255 peptide acetyltransferase activity acetyl-CoA:peptide alpha-N-acetyltransferase activity RHEA:75247 RHEA:75243 amino-terminal amino acid-acetylating enzyme activity Catalysis of the reaction: acetyl-CoA + an N-terminal L-alpha-aminoacyl-[protein] = CoA + H+ + N-terminal Nalpha-acetyl-L-alpha-aminoacyl-[protein]. beta-endorphin acetyltransferase activity N(alpha)-acetyltransferase activity Reactome:R-HSA-6814090 molecular_function RHEA:50516 RHEA:50512 protein N-acetyltransferase activity