第三章第一节拟胆碱药.pdf

1 O – N – O – 2 Serine Choline COOH 1 2 HO decarboxylase NH2 N-methyltransferase HO NH2 Choline O N+ 3 acetyltransferase N+ HO O Acetylcholine 1.2.N-3. 3 AChE Ser OH + N+ O N+ O HO O Ser AChE O A O Ser AChE + OH N + O B O AChE Ser OH + OH 4