<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Histone - Page 2 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=histone&amp;p=1">1.Previous</a><br />
<a accesskey="3" href="page.php?w=histone&amp;p=3">3.Next</a>
</p>
<p>act as spools around which <a href="page.php?w=DNA">DNA</a> winds to create structural units called <a href="page.php?w=nucleosome">nucleosome</a>s. Nucleosomes in turn are wrapped into 30-<a href="page.php?w=nanometer">nanometer</a> fibers that form tightly packed <a href="page.php?w=chromatin">chromatin</a>. Histones prevent DNA from becoming tangled and protect it from <a href="page.php?w=DNA_damage">DNA damage</a>.  In addition, histones play important roles in <a href="page.php?w=gene_regulation">gene regulation</a> and <a href="page.php?w=DNA_replication">DNA replication</a>.</p><p>
<a accesskey="1" href="page.php?w=histone&amp;p=1">1.Previous</a><br />
<a accesskey="3" href="page.php?w=histone&amp;p=3">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
