PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2767140-6	1989	Most of the substances acted as reversible, competitive inhibitors with KI in the range of 10(-6)-10(-3) M. The substrate analogues had Km values between (1.2-2.2) X 10(-4) M. The data allow the following main conclusions: (1) The quaternary trimethylammonium group of ACh is of high importance for substrate binding to AChE.	quaternary trimethylammonium	231-259	acetylcholinesterase (Cartwright blood group)	Homo sapiens	320-324