Distribution of the number of species in arCOGs: three classes of archaeal genes

Abstract

<p><b>Copyright information:</b></p><p>Taken from "Clusters of orthologous genes for 41 archaeal genomes and implications for evolutionary genomics of archaea"</p><p>http://www.biology-direct.com/content/2/1/33</p><p>Biology Direct 2007;2():33-33.</p><p>Published online 27 Nov 2007</p><p>PMCID:PMC2222616.</p><p></p> A semi-logarithmic plot fitted with a sum of 3 exponent