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alpha-N-acetylglucosaminidase; N-acetyl-alpha-glucosaminidase; NAG (NAGLU, UFHSD1)

Function: 1) degradation of heparan sulfate 2) hydrolysis of terminal non-reducing N-acetyl-D-glucosamine residues in N-acetyl-alpha-D-glucosaminides Structure: monomer & homodimer Compartment: lysosome Expression: - expressed in liver, ovary, peripheral blood leukocytes, testis, prostrate, spleen, colon, lung, placenta, kidney Pathology: - defects in NAGLU are the cause of mucopolysaccharidosis 3B Laboratory: - alpha-N-acetylglucosaminidase in fibroblasts - alpha-N-acetylglucosaminidase in leukocytes - alpha-N-acetylglucosaminidase in tissue - alpha-N-acetylglucosaminidase in serum/plasma - alpha-N-acetylglucosaminidase in urine

Related

Sanfillipo B syndrome; mucopolysaccharidosis 3B

General

glucosaminidase glycoprotein

Properties

SIZE: entity length = 743 aa MW = 82 kD COMPARTMENT: lysosome MOTIF: signal sequence {1-23} glycine-rich region {68-71} alanine-rich region {84-87} MOTIF: alanine residue (SEVERAL) N-glycosylation site {N261} N-glycosylation site {N272} N-glycosylation site {N435} N-glycosylation site {N503} N-glycosylation site {N526} N-glycosylation site {N532}

Database Correlations

OMIM correlations MORBIDMAP 609701 UniProt P54802 PFAM correlations Entrez Gene 4669 KEGG correlations ENZYME 3.2.1.50

References

  1. UniProt :accession P54802
  2. GeneReviews http://www.ncbi.nlm.nih.gov/sites/genetests/lab/gene/NAGLU