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Reference.org
LEFTY2
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<p>Left-right determination factor 2 (Lefty2) aka TGFB4 is a <a href="/facts/Protein/Jxmagu3E">protein</a> that is encoded by the <i>LEFTY2</i> <a href="/facts/Gene/e1swwPY6">gene</a> in humans. </p>