Biosynthesis of cysteine from homocysteine and serine via cystathione intermediate Labels in Macedonian.
original by <a href="//commons.wikimedia.org/wiki/User:Nothingserious" title="User:Nothingserious">Nothingserious</a><br>derivative by <a href="//commons.wikimedia.org/wiki/User:Bjankuloski06" title="User:Bjankuloski06">B. Jankuloski</a>
<a href="//commons.wikimedia.org/wiki/File:Cysteine_biosynthesis.svg" title="File:Cysteine biosynthesis.svg">File:Cysteine biosynthesis.svg</a>