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Tryptophan (symbol Trp or W) is an α-amino acid that is used in the biosynthesis of proteins. Tryptophan contains an α-amino group, an α-carboxylic acid group, and a side chain indole, making it a polar molecule with a non-polar aromatic beta carbon substituent. It is essential in humans, meaning that the body cannot synthesize it and it must be obtained from the diet. Tryptophan is also a precursor to the neurotransmitter serotonin, the hormone melatonin, and vitamin B3. It is encoded by the codon UGG. Like other amino acids, tryptophan is a zwitterion at physiological pH where the amino group is protonated (–NH+3; pKa = 9.39) and the carboxylic acid is deprotonated ( –COO−; pKa = 2.38).Many animals (including humans) cannot synthesize tryptophan: they need to obtain it through their diet, making it an essential amino acid.
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Albums by TryptophanSort:By AlbumA - Z
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| Song | Duration |
|---|---|
| Backyard Island (Days Like These) | 1:59 |
| Self Control | 2:43 |
| Divided | 4:24 |
| Medical Tape | 4:12 |
| Heaven | 3:42 |
| Coffee Cups | 3:27 |
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