<p><b>Copyright information:</b></p><p>Taken from "CR1 clade of non-LTR retrotransposons from butterflies (Lepidoptera: Lycaenidae): evidence for recent horizontal transmission"</p><p>http://www.biomedcentral.com/1471-2148/7/93</p><p>BMC Evolutionary Biology 2007;7():93-93.</p><p>Published online 25 Jun 2007</p><p>PMCID:PMC1925062.</p><p></p>1 elements can be divided into three distinct lineages: MacCR1A, MacCR1B and MacCR1C
