the i50 of plaque acetylcholinesterase occurs at much higher concentrations of anaesthetic than for serum enzyme , this may depend on the environmental conditions under which propanidide has to act , or on acetylcholinesterase 's high degree of specificity by comparison with pseudocholinesterase .
C0001044
acetylcholinesterase 's
C0008429
pseudocholinesterase