PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18688364-1 2008 Proton transfer reactions at the sulfonic acid groups in Nafion were theoretically studied, using complexes formed from triflic acid (CF3SO3H), H3O+ and H2O, as model systems. perfluorosulfonic acid 57-63 H3 clustered histone 15 Homo sapiens 144-156