PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14611854-1 2003 A series of acyclic, truncated microcystin analogues, comprised of the dienic beta-amino acid (Adda) and up to four additional amino acids characteristic of the parent toxin, was synthesized and screened for activity as inhibitors of PP1 and PP2A. microcystin 31-42 inorganic pyrophosphatase 1 Homo sapiens 234-237