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Tbio
SPTSSA
Serine palmitoyltransferase small subunit A

Protein Summary
Description
Stimulates the activity of serine palmitoyltransferase (SPT). The composition of the serine palmitoyltransferase (SPT) complex determines the substrate preference. The SPTLC1-SPTLC2-SPTSSA complex shows a strong preference for C16-CoA substrate, while the SPTLC1-SPTLC3-SPTSSA isozyme uses both C14-CoA and C16-CoA as substrates, with a slight preference for C14-CoA. Serine palmitoyltransferase (SPT; EC 2.3.1.50) catalyzes the first committed and rate-limiting step in sphingolipid biosynthesis. SSSPTA is a small SPT subunit that stimulates SPT activity and confers acyl-CoA preference to the SPT catalytic heterodimer of SPTLC1 (MIM 605712) and either SPTLC2 (MIM 605713) or SPTLC3 (MIM 611120) (Han et al., 2009 [PubMed 19416851]).[supplied by OMIM, Nov 2010]
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000298130
  • ENSP00000298130
  • ENSG00000165389

Symbol
  • C14orf147
  • SSSPTA
  • SSSPTA
  • C14orf147
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
kinase perturbation
0.93
transcription factor perturbation
0.91
histone modification site profile
0.84
transcription factor binding site profile
0.76
cellular component
0.74


Protein Classes
No PANTHER Classes or DTO Classes found
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: 8.71   (req: < 5)
Gene RIFs: 4   (req: <= 3)
Antibodies: 0   (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: 8.71   (req: >= 5)
Gene RIFs: 4   (req: > 3)
Antibodies: 0   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 3
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