PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11995984-4 2001 Gly1[Phe(p-NO2)]4-NC was less active indicating that the antagonist properties of Cys1-NC are associated with the presence of the sulfhydryl group of cysteine. gly1[phe(p-no2)]4-nc 0-20 cystin 1 Mus musculus 82-86