Copyright information:Taken from "Molecular archeology of an SP100 splice variant revisited: dating the retrotranscription and insertion events"Genome Biology 2001;2(9):research0040.1-research0040.6.Published online 30 Aug 2001PMCID:PMC56901.Copyright © 2001 Devor, licensee BioMed Central Ltd The top line is the consensus sequence reported by Batzer . [21]. The five species represented are: 1, vervet monkey (); 2, assamese macaque (); 3, rhesus macaque (); 4, olive baboon (); and 5, pigtail macaque (). Nucleotides diagnostic of a Class IV from the scheme of Britten . [20] are denoted with an exclamation mark (!), nucleotides diagnostic of an from the nomenclature of Batzer . [21] are denoted with a hash (#), deletions are represented by X, and CpG dimers are indicated in bold type.