PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7711203-12 1995 The positions of all of the 7 Cys residues and 8 of the 10 Trp residues in testin are conserved with respect to those present in cathepsin L. Tryptophan 59-62 testin gene Rattus norvegicus 75-81