https://wiki.tiffa.net/w/index.php?action=history&feed=atom&title=Translations%3AAmino_acid%2F57%2FenTranslations:Amino acid/57/en - Revision history2026-09-20T09:14:13ZRevision history for this page on the wikiMediaWiki 1.43.0https://wiki.tiffa.net/w/index.php?title=Translations:Amino_acid/57/en&diff=131814&oldid=prevFuzzyBot: Importing a new version from external source2024-03-29T01:25:12Z<p>Importing a new version from external source</p>
<p><b>New page</b></p><div>Twenty-two amino acids are naturally incorporated into polypeptides and are called [[proteinogenic]] or natural amino acids. Of these, 20 are encoded by the universal genetic code. The remaining 2, [[selenocysteine]] and [[pyrrolysine]], are incorporated into proteins by unique synthetic mechanisms. Selenocysteine is incorporated when the mRNA being translated includes a [[SECIS element]], which causes the UGA codon to encode selenocysteine instead of a stop codon. [[Pyrrolysine]] is used by some [[methanogen]]ic [[archaea]] in enzymes that they use to produce [[methane]]. It is coded for with the codon UAG, which is normally a stop codon in other organisms. This UAG codon is followed by a [[PYLIS downstream sequence]].</div>FuzzyBot