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NAGPA

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Protein-coding gene in the species Homo sapiens
NAGPA
Identifiers
AliasesNAGPA, Nagpa, AI596180, UCE, APAA, N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase
External IDsOMIM: 607985; MGI: 1351598; HomoloGene: 8466; GeneCards: NAGPA; OMA:NAGPA - orthologs
Gene location (Human)
Chromosome 16 (human)
Chr.Chromosome 16 (human)
Chromosome 16 (human)Genomic location for NAGPAGenomic location for NAGPA
Band16p13.3Start5,024,844 bp
End5,034,141 bp
Gene location (Mouse)
Chromosome 16 (mouse)
Chr.Chromosome 16 (mouse)
Chromosome 16 (mouse)Genomic location for NAGPAGenomic location for NAGPA
Band16|16 A1Start5,013,153 bp
End5,021,876 bp
RNA expression pattern
Bgee
HumanMouse (ortholog)
Top expressed in
  • middle temporal gyrus

  • Brodmann area 10

  • right frontal lobe

  • oocyte

  • primary visual cortex

  • Brodmann area 9

  • secondary oocyte

  • Brodmann area 23

  • granulocyte

  • monocyte
Top expressed in
  • interventricular septum

  • yolk sac

  • right kidney

  • genital tubercle

  • submandibular gland

  • granulocyte

  • lip

  • esophagus

  • morula

  • embryo
More reference expression data
BioGPS
More reference expression data
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Orthologs
SpeciesHumanMouse
Entrez

51172

27426

Ensembl

ENSG00000103174

ENSMUSG00000023143

UniProt

Q9UK23

Q8BJ48

RefSeq (mRNA)

NM_016256

NM_013796

RefSeq (protein)

NP_057340

NP_038824

Location (UCSC)Chr 16: 5.02 – 5.03 MbChr 16: 5.01 – 5.02 Mb
PubMed search
Wikidata
View/Edit HumanView/Edit Mouse

N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase is an enzyme that in humans is encoded by the NAGPA gene.

Hydrolases are transported to lysosomes after binding to mannose 6-phosphate receptors in the trans-Golgi network. This gene encodes the enzyme that catalyzes the second step in the formation of the mannose 6-phosphate recognition marker on lysosomal hydrolases. Commonly known as 'uncovering enzyme' or UCE, this enzyme removes N-acetyl-D-glucosamine (GlcNAc) residues from GlcNAc-alpha-P-mannose moieties and thereby produces the recognition marker. This reaction most likely occurs in the trans-Golgi network. This enzyme functions as a homotetramer of two disulfide-linked homodimers. In addition to having an N-terminal signal peptide, the protein's C-terminus contains multiple signals for trafficking it between lysosomes, the plasma membrane, and trans-Golgi network.

To date, the only disorder in humans associated with this gene is Persistent Neurodevelopmental Stuttering (PNdS).

References

  1. ^ GRCh38: Ensembl release 89: ENSG00000103174Ensembl, May 2017
  2. ^ GRCm38: Ensembl release 89: ENSMUSG00000023143Ensembl, May 2017
  3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. Kornfeld R, Bao M, Brewer K, Noll C, Canfield W (Jan 2000). "Molecular cloning and functional expression of two splice forms of human N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase". J Biol Chem. 274 (46): 32778–85. doi:10.1074/jbc.274.46.32778. PMID 10551838.
  6. Do H, Lee WS, Ghosh P, Hollowell T, Canfield W, Kornfeld S (Aug 2002). "Human mannose 6-phosphate-uncovering enzyme is synthesized as a proenzyme that is activated by the endoprotease furin". J Biol Chem. 277 (33): 29737–44. doi:10.1074/jbc.M202369200. PMID 12058031.
  7. ^ "Entrez Gene: NAGPA N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase".
  8. Lee, W. S.; Kang, C.; Drayna, D.; Kornfeld, S. (2011). "Analysis of mannose 6-phosphate uncovering enzyme mutations associated with persistent stuttering". The Journal of Biological Chemistry. 286 (46): 39786–93. doi:10.1074/jbc.M111.295899. PMC 3220557. PMID 21956109.

Further reading


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