PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24786171-4 2014 By employing Born-Oppenheimer ab initio QM/MM molecular dynamics simulations with umbrella sampling, a state-of-the-art approach to simulate enzyme reactions, we have characterized the covalent inhibition mechanism between AChE and the nerve toxin soman and determined its free energy profile for the first time. oppenheimer 18-29 acetylcholinesterase (Cartwright blood group) Homo sapiens 223-227 20550161-8 2010 In comparison with previous theoretical investigations of the AChE catalytic mechanism, our current study clearly demonstrates the power and advantages of employing Born-Oppenheimer ab initio QM/MM MD simulations in characterizing enzyme reaction mechanisms. oppenheimer 170-181 acetylcholinesterase (Cartwright blood group) Homo sapiens 62-66 22984913-4 2012 By employing Born-Oppenheimer ab initio QM/MM molecular dynamics simulations with umbrella sampling, a state-of-the-art approach to simulate enzyme reactions, we have characterized the aging mechanism of soman phosphonylated AChE and determined its free energy profile. oppenheimer 18-29 acetylcholinesterase (Cartwright blood group) Homo sapiens 225-229