PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15792672-5 2005 The pH(zpc) of kaolinite sample KGa was determined at 4.9 by surface titration. Kaolin 15-24 potassium inwardly rectifying channel subfamily J member 3 Homo sapiens 32-35