PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15012984-1 2004 The inhibition of the tumor-associated transmembrane carbonic anhydrase IX (CA IX) isozyme possessing an extracellular active site has been investigated with a series of positively-charged, pyridinium derivatives of sulfanilamide, homosulfanilamide and 4-aminoethylbenzenesulfonamide. Sulfanilamide 216-229 carbonic anhydrase 9 Homo sapiens 53-74