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2. Sirtuin 4 - Wikipedia

   en.wikipedia.org/wiki/Sirtuin_4

   SIRT4 is a mitochondrial ADP-ribosyltransferase that inhibits mitochondrial glutamate dehydrogenase 1 activity, thereby downregulating insulin secretion in response to amino acids. [7] A deacetylation of malonyl-CoA decarboxylase enzyme by SIRT4 represses the enzyme activity, inhibiting fatty acid oxidation in muscle and liver cells.

3. Sirtuin - Wikipedia

   en.wikipedia.org/wiki/Sirtuin

   SIRT3, a mitochondrial protein deacetylase, plays a role in the regulation of multiple metabolic proteins like isocitrate dehydrogenase of the TCA cycle. It also plays a role in skeletal muscle as a metabolic adaptive response. Since glutamine is a source of a-ketoglutarate used to replenish the TCA cycle, SIRT4 is involved in glutamine metabolism.

4. Xanthoproteic reaction - Wikipedia

   en.wikipedia.org/wiki/Xanthoproteic_reaction

   If the test is positive the proof is neutralized with an alkali, turning dark yellow. The yellow colour is due to xanthoproteic acid which is formed due to nitration of certain amino acids, most common examples being tyrosine and tryptophan. [1] This chemical reaction is a qualitative test, determining the presence or absence of proteins.

5. 1-Fluoro-2,4-dinitrobenzene - Wikipedia

   en.wikipedia.org/wiki/1-Fluoro-2,4-dinitrobenzene

   Frederick Sanger. In 1945, Frederick Sanger described its use for determining the N-terminal amino acid in polypeptide chains, in particular insulin. [4] Sanger's initial results suggested that insulin was a smaller molecule than previously estimated (molecular weight 12,000), and that it consisted of four chains (two ending in glycine and two ending in phenylalanine), with the chains cross ...

6. α-Amanitin - Wikipedia

   en.wikipedia.org/wiki/Α-amanitin

   α-Amanitin (alpha-Amanitin) is a cyclic peptide of eight amino acids.It is possibly the most deadly of all the amatoxins, toxins found in several species of the mushroom genus Amanita, one being the death cap (Amanita phalloides) as well as the destroying angel, a complex of similar species, principally A. virosa and A. bisporigera.

7. How to preserve muscle mass on weight-loss drugs like Wegovy

   www.aol.com/preserve-muscle-mass-weight-loss...

   Lean mass consists of fat-free tissue, which includes muscles, organs, bones, water, and fluids. ... Supplementation with whey protein and essential amino acids can also help meet the desired ...

8. 10 weird things that can kill you almost instantly - AOL

   www.aol.com/news/2016-03-13-10-weird-things-that...

   Here are 10 weird things that can kill you almost instantly. Number 10.A meteor. Humans have been lucky when it comes to avoiding sizeable meteors and mass die-offs. However, if one measuring 50 ...

9. Cycloleucine - Wikipedia

   en.wikipedia.org/wiki/Cycloleucine

   Cycloleucine is a non-proteinogenic amino acid. It could be classified as a cyclopentane derivative of norleucine, having two hydrogen atoms less. The α-carbon atom is not a stereocenter. Cycloleucine is a non-metabolisable amino acid that specifically and reversibly inhibits nucleic acid methylation. It is widely used in biochemical ...