PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15454564-1 2004 The N-terminal alanine residues of the silencing protein Sir3 and of Orc1 are acetylated by the NatA Nalpha-acetyltransferase. Alanine 15-22 chromatin-silencing protein SIR3 Saccharomyces cerevisiae S288C 57-61 19273586-2 2009 Previous work has shown that the N-terminal alanine residue of Sir3 (Ala2) and its acetylation play an important role in silencing. Alanine 44-51 chromatin-silencing protein SIR3 Saccharomyces cerevisiae S288C 63-67