PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21533019-7 2011 Genetic analysis reveals that ethylene overproduction in PP2A-deficient plants requires ACS2 and ACS6, genes that encode ACS proteins known to be stabilized by phosphorylation, and proteolytic turnover of the ACS6 protein is retarded when PP2A activity is reduced. ethylene 30-38 1-amino-cyclopropane-1-carboxylate synthase 2 Arabidopsis thaliana 88-92