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Sandbox Reserved 1506

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Revision as of 14:00, 2 January 2019 by Petit Loup (Talk | contribs)
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Protein Display

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This Sandbox is Reserved from 06/12/2018, through 30/06/2019 for use in the course "Structural Biology" taught by Bruno Kieffer at the University of Strasbourg, ESBS. This reservation includes Sandbox Reserved 1480 through Sandbox Reserved 1543.
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Function

Serotonin N-acetyltransferase is also named aralkylamine-N-acetyltransferase (ANAAT). AANAT is a member of a large superfamily of proteins, referred to alternatively as the motif A/B or the GCN-5-related N-acetyltransferase (or GNAT) family. The role of these enzymes is to catalyse the acetylation all sorts of residues. ANAAT catalyzes the acetylation of the amine group on serotonin, an intermediate in melatonin synthesis. It is the penultimate enzyme in the melatonin pathway, as it is shown on fig1.[3].

Image:melationin synthesis.jpg

Relevance

Circulating melatonin plays a role in the circadian rythm. Day/night differences in circulating melatonin levels provide a hormonal analog signal of environmental lighting, which is used in a variety of ways to optimize circadian and circannual rhythms in physiology[4]

Image:ANAAT-mechanism his catalysis.jpg

Regulation

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