<p>To make it fast and easy to differentiate between endogenous and heterologous genes and gene products we decided to use <i> S. cerevisiae </i> nomenclature according to <a href="http://seq.yeastgenome.org/sgdpub/Saccharomyces_cerevisiae.pdf">yeastgenome.org</a>. </p>
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<p>Below this nomenclature at the exampe of <b>your favorite gene, <i>YFG</i></b> is explained. </p>
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<table>
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<tr>
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<th>Letter code</th>
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<th>Meaning</th>
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</tr>
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<tr>
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<td><i>YFG1</i></td>
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<td><b>Y</b>our <b>f</b>avorite <b>g</b>ene <i>S. cerevisiae</i> wild type allel</td>
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</tr>
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<tr>
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<td><i>yfg1</i>Δ</td>
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<td>Gene deletion of <b>y</b>our <b>f</b>avorite <b>g</b>ene</td>
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</tr>
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<tr>
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<td>Yfg1</td>
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<td>Protein, gene prodcut of <i>YFG1</1></td>
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</tr>
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<tr>
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<td>YFG2</td>
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<td>A heterologous gene product from mammalian cells</td>