PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16582425-10 2006 It has previously been shown that defects in phosphatidylcholine synthesis (cho2 and opi3) yield the Opi(-) phenotype because of a buildup of PA. Phosphatidylcholines 45-64 bifunctional phosphatidyl-N-methylethanolamine N-methyltransferase/phosphatidyl-N-dimethylethanolamine N-methyltransferase Saccharomyces cerevisiae S288C 85-89