PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10198632-2 1999 Here we show tht Drosophila contains a second Pax-6 gene, twin of eyeless (toy), due to a duplication during insect evolution. tetrahydrothiophene 13-16 twin of eyeless Drosophila melanogaster 46-51 10198632-2 1999 Here we show tht Drosophila contains a second Pax-6 gene, twin of eyeless (toy), due to a duplication during insect evolution. tetrahydrothiophene 13-16 twin of eyeless Drosophila melanogaster 58-73