PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9379666-4	1997	Cathepsin A activity was determined by the ninhydrin method with synthetic substrate (N-Cbz-Phe-Ala) at its optimum pH 5.0.	n-cbz-phe-ala	86-99	cathepsin A	Homo sapiens	0-11	
10526436-3	1999	Cathepsin A activity was determined by the ninhydrin method with synthetic substrate (N-Cbz-Phe-Ala) at its optimum pH 5.0.	n-cbz-phe-ala	86-99	cathepsin A	Homo sapiens	0-11	
10526437-3	1999	Cathepsin A activity was determined by the ninhydrin method with synthetic substrate (N-Cbz-Phe-Ala) at its optimum pH 5.0.	n-cbz-phe-ala	86-99	cathepsin A	Homo sapiens	0-11	
9104505-2	1996	Cathepsin A exhibited a pH optimum at 5.0 and showed the highest specificity towards N-Cbz-Phe-Ala as a substrate.	n-cbz-phe-ala	85-98	cathepsin A	Homo sapiens	0-11