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Tdark
SPTSSB
Serine palmitoyltransferase small subunit B

Protein Summary
Description
Stimulates the activity of serine palmitoyltransferase (SPT). The composition of the serine palmitoyltransferase (SPT) complex determines the substrate preference, complexes with this subunit showing a clear preference for longer acyl-CoAs. The SPTLC1-SPTLC2-SPTSSB complex shows a strong preference for C18-CoA substrate, while the SPTLC1-SPTLC3-SPTSSB isozyme displays an ability to use a broader range of acyl-CoAs, without apparent preference. May play a role in signal transduction. Serine palmitoyltransferase (SPT; EC 2.3.1.50) catalyzes the first committed and rate-limiting step in sphingolipid biosynthesis. SSSPTB 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
  • ENST00000359175
  • ENSP00000352097
  • ENSG00000196542
  • ENST00000497137
  • ENSP00000420115
  • ENST00000620149
  • ENSP00000480827

Symbol
  • ADMP
  • C3orf57
  • SSSPTB
  • ADMP
  • SSSPTB
  • C3orf57
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
histone modification site profile
0.76
cell type or tissue
0.67
microRNA
0.6
gene perturbation
0.56
cell line
0.5


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: 20.49   (req: < 5)
Gene RIFs: 1   (req: <= 3)
Antibodies: 4   (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: 20.49   (req: >= 5)
Gene RIFs: 1   (req: > 3)
Antibodies: 4   (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