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Tchem
CTSA
Lysosomal protective protein

Protein Summary
Description
Protective protein appears to be essential for both the activity of beta-galactosidase and neuraminidase, it associates with these enzymes and exerts a protective function necessary for their stability and activity. This protein is also a carboxypeptidase and can deamidate tachykinins. This gene encodes a member of the peptidase S10 family of serine carboxypeptidases. Alternative splicing results in multiple transcript variants, at least one of which encodes a preproprotein that is proteolytically processed to generate two chains that comprise the heterodimeric active enzyme. This enzyme possesses deamidase, esterase and carboxypeptidase activities and acts as a scaffold in the lysosomal multienzyme complex. Mutations in this gene are associated with galactosialidosis. [provided by RefSeq, Nov 2015]
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000191018
  • ENSP00000191018
  • ENSG00000064601
  • ENST00000372459
  • ENSP00000361537
  • ENST00000646241
  • ENSP00000493613

Symbol
  • PPGB
  • GSL
  • GLB2
  • NGBE
  • PPCA
  • PPGB
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
kinase perturbation
1
interacting protein
0.98
transcription factor perturbation
0.94
disease perturbation
0.83
cellular component
0.8


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: 708.88   (req: < 5)
Gene RIFs: 19   (req: <= 3)
Antibodies: 423   (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: 708.88   (req: >= 5)
Gene RIFs: 19   (req: > 3)
Antibodies: 423   (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 Ligands: 402
Tclin

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

Active Drugs: 2