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<a accesskey="3" href="page.php?w=T-box&amp;p=2">3.Next</a>
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<p>    <b>T-box</b> refers to a group of <a href="page.php?w=transcription_factor">transcription factor</a>s involved in <a href="page.php?w=embryo">embryonic</a> <a href="page.php?w=limb_development">limb</a> and <a href="page.php?w=heart">heart</a> development. Every T-box protein has a relatively large DNA-binding domain, generally comprising about a third of the entire protein that is both necessary and sufficient for sequence-specific DNA binding. All members of the T-box gene family bind to the "T-box", a DNA consensus sequence of TCACACCT.</p><p>
<a accesskey="3" href="page.php?w=T-box&amp;p=2">3.Next</a>
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