PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9398839-3 1997 Two mutations, a C-->T substitution that changes the Arg 257 (CGA) to a stop codon (TGA) and an A-->G substitution that changes the Lys 83 (AAG) to a Glu codon (GAG), were found in this novel gene in Swiss and Finnish APECED patients. Lysine 138-141 N-methylpurine DNA glycosylase Homo sapiens 146-149