PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10051052-6 1999 With further UDPGT purification (approximately 200-fold) from kidney extracts using a combination of ammonium sulfate precipitation, followed by anion exchange, hydroxyapatite, and size exclusion chromatography, the enzyme was more than 80% pure when assessed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Durapatite 161-175 UDP glucuronosyltransferase family 1 member A4 Homo sapiens 13-18