PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
11866527-4	2002	The native cysteine residues C140 and C316 were then selectively labelled with mercury using the sulphydryl-specific reagent p-chloromercuribenzoate (1.6-2.1 mol Hg per mol rhodopsin).	p-chloromercuribenzoate	125-148	rhodopsin	Homo sapiens	173-182