PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12142734-7 2002 Hence, it is possible that PC and CPS I in the centroacinar cells, intercalated duct cells, and intralobular duct cells are strongly activated and might use HCO3- ions provided by CA II and not by CA V. cps i 34-39 carbonic anhydrase 5A Homo sapiens 197-201