PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15161263-6 2004 Pyrimidine residues within sequences flanking the homopurine (GAA)n repeat in tDNA are premodified with osmium tetroxide, 2,2"-bipyridine (Os,bipy), introducing electroactive labels in tDNA. homopurine 50-60 alpha glucosidase Homo sapiens 62-65