PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19538299-3 2009 Using stable transfected Madin Darby canine kidney type I cells, induced to express claudin-2, we show that paracellular cation transport can be blocked by sulfhydryl-specific methanethiosulfonate (MTS) and that SCAM can be used to identify residues that line paracellular pores. methanethiosulfonate 198-201 claudin 2 Canis lupus familiaris 84-93