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Tchem
MBTPS1
Membrane-bound transcription factor site-1 protease

Protein Summary
Description
Serine protease that catalyzes the first step in the proteolytic activation of the sterol regulatory element-binding proteins (SREBPs). Other known substrates are BDNF, GNPTAB and ATF6. Cleaves after hydrophobic or small residues, provided that Arg or Lys is in position P4. Cleaves known substrates after Arg-Ser-Val-Leu (SERBP-2), Arg-His-Leu-Leu (ATF6), Arg-Gly-Leu-Thr (BDNF) and its own propeptide after Arg-Arg-Leu-Leu. Mediates the protein cleavage of GNPTAB into subunit alpha and beta, thereby participating in biogenesis of lysosomes. This gene encodes a member of the subtilisin-like proprotein convertase family, which includes proteases that process protein and peptide precursors trafficking through regulated or constitutive branches of the secretory pathway. The encoded protein undergoes an initial autocatalytic processing event in the ER to generate a heterodimer which exits the ER and sorts to the cis/medial-Golgi where a second autocatalytic event takes place and the catalytic ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000343411
  • ENSP00000344223
  • ENSG00000140943

Symbol
  • KIAA0091
  • S1P
  • SKI1
  • S1P
  • PCSK8
  • SKI-1
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
disease perturbation
0.97
virus perturbation
0.92
kinase perturbation
0.91
cellular component
0.9
histone modification site profile
0.87


Protein Classes
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: 147.07   (req: < 5)
Gene RIFs: 20   (req: <= 3)
Antibodies: 104   (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: 147.07   (req: >= 5)
Gene RIFs: 20   (req: > 3)
Antibodies: 104   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 13
Tchem

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

Active Ligands: 16
Tclin

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

Active Drug: 0