PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2591969-5 1989 The first intron contains an unusual stretch of alternating purines and pyrimidines similar to that found in the same location in the mouse ADH gene. Purines 60-67 aldo-keto reductase family 1 member A1 Rattus norvegicus 140-143