PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 105013-2 1979 The level of Hunter corrective factor excreted by all three patients increased after transplantation, as did the activity of alpha-L-idurono-2-sulfate sulfatase in serum, when measured directly with a radioactive disulfated disaccharide substrate. Disaccharides 224-236 arylsulfatase family member H Homo sapiens 151-160