<span class="nifTabHeader"><a class="external" target="_blank" href="http://enhancer.lbl.gov/">VISTA</a> is a central resource for experimentally validated human and mouse noncoding fragments with gene enhancer activity as assessed in transgenic mice. Most of these noncoding elements were selected for testing based on their extreme conservation in other vertebrates or epigenomic evidence (ChIP-Seq) of putative enhancer marks.<a target="_blank" href="../../tutorials/vista/vista_tutorial.shtm"><img src="../../images/tutorials_4848.gif" alt="Tutorial" title="Show me a tutorial" height="50" width="42"></a></span>