 This was reported for a 710 bp DNA sequence upstream of the bovine beta globin gene.The DNA arrangement forms a composite transposon whose presence has been confirmed by the complete bovine genomic sequence where the mobilized sequence may be found on bovine chromosome 15 in contig NW_001493315.1 nucleotides #1085432–1086142 and the originating sequence may be found on bovine chromosome 2 in contig NW_001501789.2 nucleotides #1096679–1097389.It is likely that similar composite transposons exist in other bovine genomic regions and other mammalian genomes.