PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
19156530-5	2009	Using confocal laser scanning microscopy (CLSM) as an analytical tool for visualizing numerous spermatocytes from the same development stage and for consecutively following the meiotic progression, we were able to demonstrate a very early appearance of SUMO-1, which preceded gammaH2AX accumulation on the sex chromosomes during their meiotic inactivation.	gammah2ax	276-285	small ubiquitin-like modifier 1	Mus musculus	253-259