PMID-sentid	Pub_year	Sent_text	compound_name	comp_offset	prot_official_name	organism	prot_offset
16644292-15	2006	In the presence of an optimal ammonium-based salt (NaNH4HPO4), hRAD51 mediated strand exchange was successfully performed using a simplified protocol.	ammonium-based salt	30-49	RAD51 recombinase	Homo sapiens	63-69