https://wiki.tiffa.net/w/index.php?action=history&feed=atom&title=Translations%3AProtein%2F8%2Fen 2026-04-20T13:19:34Z Revision history for this page on the wiki MediaWiki 1.43.0 https://wiki.tiffa.net/w/index.php?title=Translations:Protein/8/en&diff=119937&oldid=prev 2024-02-23T07:36:05Z

<p>Importing a new version from external source</p> <p><b>New page</b></p><div>Proteins were first described by the Dutch chemist [[Gerardus Johannes Mulder]] and named by the Swedish chemist [[Jöns Jacob Berzelius]] in 1838. Mulder carried out [[elemental analysis]] of common proteins and found that nearly all proteins had the same [[empirical formula]], C&lt;sub&gt;400&lt;/sub&gt;H&lt;sub&gt;620&lt;/sub&gt;N&lt;sub&gt;100&lt;/sub&gt;O&lt;sub&gt;120&lt;/sub&gt;P&lt;sub&gt;1&lt;/sub&gt;S&lt;sub&gt;1&lt;/sub&gt;. He came to the erroneous conclusion that they might be composed of a single type of (very large) molecule. The term &quot;protein&quot; to describe these molecules was proposed by Mulder&#039;s associate Berzelius; protein is derived from the [[Greek language|Greek]] word {{lang|el|πρώτειος|italic=no}} ({{transliteration|el|proteios|italic=yes}}), meaning &quot;primary&quot;, &quot;in the lead&quot;, or &quot;standing in front&quot;, + &#039;&#039;[[wikt:-in#Suffix|-in]]&#039;&#039;. Mulder went on to identify the products of protein degradation such as the [[amino acid]] [[leucine]] for which he found a (nearly correct) molecular weight of 131 [[atomic mass unit|Da]]. Prior to &quot;protein&quot;, other names were used, like &quot;albumins&quot; or &quot;albuminous materials&quot; (&#039;&#039;Eiweisskörper&#039;&#039;, in German).</div>

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