PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1627273-8 1992 The SOD mimetic activity of PS-K resisted treatment by 0.7N HCl, 0.7N NaOH, boiling for 30 minutes in a double water bath, and digestion by pronase. Hydrochloric Acid 60-63 superoxide dismutase 1 Homo sapiens 4-7