PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11139343-5 2001 Treatment of Caucasian melanocytes with the lysosomotropic compound ammonium chloride or with the ionophores nigericin and monensin results in a rapid and pronounced increase in tyrosinase activity. Nigericin 109-118 tyrosinase Homo sapiens 178-188