PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20582262-4 2010 The muscarinic receptor agonist, bethanechol (0.3-3 muM), caused similar contractions of the longitudinal muscle in colon segments from WT, P2X2 and P2X3 subunit KO mice. Bethanechol 33-44 purinergic receptor P2X, ligand-gated ion channel, 2 Mus musculus 140-144