PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7720853-2 1995 The enzyme is a heterodimer consisting of the catalytic subunit of PP1 (the alpha and beta isoforms) complexed to a 33 kDa glycogen-binding (GL) subunit. gl 141-143 neuropeptide Y receptor Y4 Rattus norvegicus 67-70