So acetylcholinestarese is an enzyme that functions in the brain an is involved in the degradation of acetylcholine, which is a great thing if you don’t want to be moving like crazy or forgetting everything.
Here’s a link to an article on protopedia on human acetylcholinesterase:
http://www.proteopedia.org/wiki/index.php/Human_Acetylcholinesterase
This enzyme was also protein of the month a few years ago on PDB. Yay for the AChE!
If you want to see the ConSurf page on AChE just click here.