PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8501917-3 1993 The transmitter acetylcholine (ACh) is released at the presynaptic membrane, diffuses through the cleft where acetylcholinesterase is homogeneously distributed and then reaches the postsynaptic surface where the receptor is located. Acetylcholine 16-29 acetylcholinesterase (Cartwright blood group) Homo sapiens 110-130 8501917-3 1993 The transmitter acetylcholine (ACh) is released at the presynaptic membrane, diffuses through the cleft where acetylcholinesterase is homogeneously distributed and then reaches the postsynaptic surface where the receptor is located. Acetylcholine 31-34 acetylcholinesterase (Cartwright blood group) Homo sapiens 110-130