PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9367182-3	1997	The switch from one type of melanin to the other appears to be regulated by the levels of tyrosinase and thiols, such as cysteine and glutathione.	Cysteine	121-129	tyrosinase	Homo sapiens	90-100	
9367182-5	1997	We prepared pheomelanins by tyrosinase oxidation of dopa or tyrosine in the presence of cysteine.	Cysteine	88-96	tyrosinase	Homo sapiens	28-38