Lloréns, C A mammalian gene evolved from the integrase domain of an LTR retrotransposon. [electronic resource] - Molecular biology and evolution Aug 2001 - 1597-600 p. digital Publication Type: Letter ISSN: 0737-4038 Standard No.: 10.1093/oxfordjournals.molbev.a003947 doi Subjects--Topical Terms: Amino Acid SequenceAnimalsHumansIntegrases--geneticsMolecular Sequence DataPhylogenyRetroelements--geneticsSequence AlignmentSequence Homology, Amino AcidTerminal Repeat Sequences