Sandbox DW1 11

[[Image:acetylcholine.png| thumb | Acetylcholine]]

<applet load='Acetylcholine.pdb' scene='Acetylcholine/Ident/2' size='300' frame='true' align='right' caption="Computed model of acetylcholine" />

[http://en.wikipedia.org/wiki/Acetylcholine Acetylcholine at the Wikipedia]

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<applet load='ACHE2.pdb' size='500' frame='true' align='right'

scene='Acetylcholine/Ach1/1' />

[http://en.wikipedia.org/wiki/Acetylcholinesterase Acetylcholinesterase] ([http://www.expasy.org/enzyme/3.1.1.7 EC 3.1.1.7], ''e.g.'' from [http://en.wikipedia.org/wiki/Pacific_electric_ray ''Torpedo californica''], ''Tc''AChE) [http://en.wikipedia.org/wiki/Hydrolysis hydrolysizes] the [http://en.wikipedia.org/wiki/Neurotransmitter neurotransmitter] [http://en.wikipedia.org/wiki/Acetylcholine acetylcholine] <scene name='2ace/Ach/4'>(ACh)</scene>, producing <scene name='2ace/Ach/5'>choline and an acetate</scene> group. <scene name='2ace/Ach/4'>ACh</scene> directly binds <scene name='2ace/Ach/11'>Ser200</scene> (via its [http://en.wikipedia.org/wiki/Nucleophile nucleophilic] Oγ atom) within the [http://en.wikipedia.org/wiki/Catalytic_triad catalytic triad] <scene name='2ace/Ach/12'>(Ser200, His440, and Glu327)</scene> of (ACh/''Tc''AChE structure [[2ace]]). The residues <scene name='2ace/Ach/13'>Trp84 and Phe330</scene> are also important in the [http://en.wikipedia.org/wiki/Ligand ligand] recognition.

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