PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2076204-9 1990 The kallikrein activity responded differently to pH, to metal ions (zinc and copper), and to the sodium/potassium ratio, depending on the concomitant presence or absence of UT-like material. Copper 77-83 kallikrein 1-related peptidase b9 Mus musculus 4-14