PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
15530795-4	2004	(T)(n) tails are selectively modified with osmium tetroxide,2,2"-bipyridine leaving the (GAA)(7) repeat intact for the DNA hybridization.	Osmium Tetroxide	43-59	alpha glucosidase	Homo sapiens	89-92	
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.	Osmium Tetroxide	104-120	alpha glucosidase	Homo sapiens	62-65	
9714838-8	1998	OsO4 and DEPC modifications followed by electrophoretic and electron microscopical analyses showed that the (gaa.ttc)24 block forms different types of intramolecular triple helices: Under superhelical stress, different H-DNA isomers are evident, whereas exclusively H-Y forms were detected in the relaxed state.	Osmium Tetroxide	0-4	alpha glucosidase	Homo sapiens	109-112	
9443873-10	1998	Using in vitro chemical probing strategies, we also show that the GAA triplet repeat adopts an unusual DNA structure, demonstrated by hyperreactivity to osmium tetroxide, hydroxylamine, and diethyl pyrocarbonate.	Osmium Tetroxide	153-169	alpha glucosidase	Homo sapiens	66-69