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Tbio
GALNT9
Polypeptide N-acetylgalactosaminyltransferase 9

Protein Summary
Description
Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Does not glycosylate apomucin or SDC3. This gene encodes a member of the UDP-N-acetyl-alpha-D-galactosamine:polypeptide N-acetylgalactosaminyltransferase (GalNAc-T) family of enzymes. GalNAc-Ts initiate mucin-type O-linked glycosylation in the Golgi apparatus by catalyzing the transfer of GalNAc to serine and threonine residues on target proteins. They are characterized by an N-terminal transmembrane domain, a stem region, a lumenal catalytic domain containing a GT1 motif and Gal/GalNAc transferase motif, and a C-terminal ricin/lectin-like domain. GalNAc-Ts have different, but overlapping, substrate specificities and patterns of expression. This gene is expressed specifically in the brain, with highest expression in the cerebellum. Multiple transcript variants encoding different isoforms have been found fo ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000397325
  • ENSP00000380488
  • ENSG00000182870
  • ENST00000541995
  • ENSP00000440544

Symbol
  • GALNACT9
  • GALNAC-T9
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
gene perturbation
0.62
protein domain
0.58
transcription factor
0.57
cell line
0.52
cellular component
0.47


IDG Development Level Summary
Tdark

These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 9.24   (req: < 5)
Gene RIFs: 1   (req: <= 3)
Antibodies: 140   (req: <= 50)
Tbio

These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 9.24   (req: >= 5)
Gene RIFs: 1   (req: > 3)
Antibodies: 140   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 5
Tchem

Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions

Active Ligand: 0
Tclin

Target has at least one approved drug - AND - satisfies the preceding conditions

Active Drug: 0