GALNT3

GALNT3
Identifiers
Aliases GALNT3, GalNAc-T3, HFTC, HHS, polypeptide N-acetylgalactosaminyltransferase 3
External IDs MGI: 894695 HomoloGene: 55827 GeneCards: GALNT3
RNA expression pattern


More reference expression data
Orthologs
Species Human Mouse
Entrez

2591

14425

Ensembl

ENSG00000115339

ENSMUSG00000026994

UniProt

Q14435

P70419

RefSeq (mRNA)

NM_004482

NM_015736

RefSeq (protein)

NP_004473.2

NP_056551.2

Location (UCSC) Chr 2: 165.75 – 165.79 Mb Chr 2: 66.08 – 66.12 Mb
PubMed search [1] [2]
Wikidata
View/Edit HumanView/Edit Mouse

Polypeptide N-acetylgalactosaminyltransferase 3 is an enzyme that in humans is encoded by the GALNT3 gene.[3][4][5]

This gene encodes UDP-GalNAc transferase 3, a member of the GalNAc-transferases family. This family transfers an N-acetyl galactosamine to the hydroxyl group of a serine or threonine residue in the first step of O-linked oligosaccharide biosynthesis. Individual GalNAc-transferases have distinct activities and initiation of O-glycosylation is regulated by a repertoire of GalNAc-transferases. The protein encoded by this gene is highly homologous to other family members, however the enzymes have different substrate specificities.[5]

References

  1. "Human PubMed Reference:".
  2. "Mouse PubMed Reference:".
  3. Bennett EP, Weghuis DO, Merkx G, van Kessel AG, Eiberg H, Clausen H (Jul 1998). "Genomic organization and chromosomal localization of three members of the UDP-N-acetylgalactosamine: polypeptide N-acetylgalactosaminyltransferase family". Glycobiology. 8 (6): 547–55. doi:10.1093/glycob/8.6.547. PMID 9592121.
  4. Topaz O, Shurman DL, Bergman R, Indelman M, Ratajczak P, Mizrachi M, Khamaysi Z, Behar D, Petronius D, Friedman V, Zelikovic I, Raimer S, Metzker A, Richard G, Sprecher E (May 2004). "Mutations in GALNT3, encoding a protein involved in O-linked glycosylation, cause familial tumoral calcinosis". Nat Genet. 36 (6): 579–81. doi:10.1038/ng1358. PMID 15133511.
  5. 1 2 "Entrez Gene: GALNT3 UDP-N-acetyl-alpha-D-galactosamine:polypeptide N-acetylgalactosaminyltransferase 3 (GalNAc-T3)".

Further reading

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