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- Title
Structural adaptations in a membrane enzyme that terminates endocannabinoid signaling.
- Authors
Bracey, Michael H; Hanson, Michael A; Masuda, Kim R; Stevens, Raymond C; Cravatt, Benjamin F
- Abstract
Cellular communication in the nervous system is mediated by chemical messengers that include amino acids, monoamines, peptide hormones, and lipids. An interesting question is how neurons regulate signals that are transmitted by membrane-embedded lipids. Here, we report the 2.8 angstrom crystal structure of the integral membrane protein fatty acid amide hydrolase (FAAH), an enzyme that degrades members of the endocannabinoid class of signaling lipids and terminates their activity. The structure of FAAH complexed with an arachidonyl inhibitor reveals how a set of discrete structural alterations allows this enzyme, in contrast to soluble hydrolases of the same family, to integrate into cell membranes and establish direct access to the bilayer from its active site.
- Publication
Science (New York, N.Y.), 2002, Vol 298, Issue 5599, p1793
- ISSN
1095-9203
- Publication type
Journal Article
- DOI
10.1126/science.1076535