PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9092616-1	1997	In contrast to shorter homologs which only form a single-stranded nucleic acid alpha-helix in acid solution at [Na+]</=0.02 M Na+, d(A-G)20,30 form in addition a parallel-stranded duplex with (A+.A+) and (G.G) base pairs and interstrand dA+...PO2-ionic and dA+NH2... O=P H-bonds.	PO-2	246-249	dystroglycan 1	Homo sapiens	134-139