PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19416848-2 2009 The primary cause is mutation in the NAGLU gene, resulting in deficiency of alpha-N-acetylglucosaminidase and lysosomal accumulation of heparan sulfate. Heparitin Sulfate 136-151 N-acetyl-alpha-glucosaminidase Homo sapiens 37-42