https://wiki.tiffa.net/w/index.php?action=history&feed=atom&title=Translations%3AAmino_acid%2F20%2Fen 2026-09-14T09:30:54Z Revision history for this page on the wiki MediaWiki 1.43.0 https://wiki.tiffa.net/w/index.php?title=Translations:Amino_acid/20/en&diff=131777&oldid=prev 2024-03-29T01:25:11Z

<p>Importing a new version from external source</p> <p><b>New page</b></p><div>The polar, uncharged amino acids [[serine]] (Ser, S), [[threonine]] (Thr, T), [[asparagine]] (Asn, N) and [[glutamine]] (Gln, Q) readily form hydrogen bonds with water and other amino acids. They do not ionize in normal conditions, a prominent exception being the catalytic serine in [[Serine protease#Catalytic mechanism|serine proteases]]. This is an example of severe perturbation, and is not characteristic of serine residues in general. Threonine has two chiral centers, not only the &lt;small&gt;L&lt;/small&gt; (2&#039;&#039;S&#039;&#039;) chiral center at the α-carbon shared by all amino acids apart from achiral glycine, but also (3&#039;&#039;R&#039;&#039;) at the β-carbon. The full stereochemical specification is (2&#039;&#039;S&#039;&#039;,3&#039;&#039;R&#039;&#039;)-&lt;small&gt;L&lt;/small&gt;-threonine.</div>

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