PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22419220-9 2012 In vitro phosphorylation analyses using synthetic peptides and site-directed mutagenized recombinant MA-ACS1 have revealed that serine 476 and 479 residues at the C-terminal region of MA-ACS1 are phosphorylated. Peptides 50-58 1-aminocyclopropane-1-carboxylate synthase Musa acuminata 184-191