PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9079387-4 1996 RESULTS: The addition of relatively low concentrations of denaturant causes the mechanism of exchange of amide protons of barnase to change from EX2 to EX1 for the residues that require global unfolding for exchange to occur. denaturant 58-68 FERM domain containing 6 Homo sapiens 152-155