PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
6260186-2	1981	The Mg2+-soluble fraction, known to be enriched in transcribed DNA sequences, was enriched also in high mobility group proteins 1 and 2 and contained almost all other acid-soluble nonhistone proteins.	magnesium ion	4-8	high mobility group box 2	Homo sapiens	99-135