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Tbio
GM2A
Ganglioside GM2 activator

Protein Summary
Description
The large binding pocket can accommodate several single chain phospholipids and fatty acids, GM2A also exhibits some calcium-independent phospholipase activity (By similarity). Binds gangliosides and stimulates ganglioside GM2 degradation. It stimulates only the breakdown of ganglioside GM2 and glycolipid GA2 by beta-hexosaminidase A. It extracts single GM2 molecules from membranes and presents them in soluble form to beta-hexosaminidase A for cleavage of N-acetyl-D-galactosamine and conversion to GM3. This gene encodes a small glycolipid transport protein which acts as a substrate specific co-factor for the lysosomal enzyme beta-hexosaminidase A. Beta-hexosaminidase A, together with GM2 ganglioside activator, catalyzes the degradation of the ganglioside GM2, and other molecules containing terminal N-acetyl hexosamines. Mutations in this gene result in GM2-gangliosidosis type AB or the AB variant of Tay-Sachs disease. Alternative splicing results in multiple transcript variants. [provi ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000357164
  • ENSP00000349687
  • ENSG00000196743

Symbol
  • SAP-3
  • GM2-AP
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
transcription factor perturbation
1
disease perturbation
0.98
kinase perturbation
0.98
interacting protein
0.94
cellular component
0.82


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: 188.84   (req: < 5)
Gene RIFs: 17   (req: <= 3)
Antibodies: 444   (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: 188.84   (req: >= 5)
Gene RIFs: 17   (req: > 3)
Antibodies: 444   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 12
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