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MS
rate-limiting unreviewed

Serine palmitoyltransferase (SPT)

1 reactions · 1 pathways

Clinical / pharmacological. Rate-limiting for sphingolipid synthesis; SPTLC1 mutations cause HSAN type I

What it does, reaction by reaction

1 reactions

Sphingolipid Synthesis Lipid Metabolism · ER + Golgi

step 1 Irreversible rate-limiting

Serine + palmitoyl-CoA -> 3-ketosphinganine + CO2 + CoA-SH

Converts Serine Palmitoyl-CoA into 3-Ketosphinganine CO2 CoA-SH

› Notes

Rate-limiting and committed step; located on the ER.

Showing all 1 reactions.

What accelerates and inhibits it

Regulation is pathway-specific, so each context is listed separately

0 entries

No regulation recorded for this enzyme in the source documents.

Recent literature

Europe PMC · fetched just now · sorted by publication date

  1. 1
    Deletion of the T1D risk gene <i>Ormdl3</i> in β-cells does not impact disease progression.

    Ou Q, Jones EF, Currey K, Engin F. · 2026-09-05

    open access unreviewed
  2. 2
    Non-ergosterol lipid remodeling governs amphotericin B susceptibility via TOR-calcineurin signaling in <i>Candida glabrata</i>.

    Kumar M, Kumari S, Wasi M, Ali B, Kumar P, Sharma G, Singh A, da Silva Dantas A, Gow NAR, Gaur NA, Prasad R. · 2026-08-26

    open access unreviewed
  3. 3
    Gut microbiota metabolic reprogramming drives the development of metabolic diseases in the host.

    Wang Y, Huang B, Wei X, Guan Y, Li L, Zheng Y, Sun W. · 2026-03-14

    cited 40× open access unreviewed
  4. 4
  5. 5
    Hypertensive stretch regulates endothelial cell inflammation and apoptosis through ceramide metabolism.

    Pietromicca-Victor JG, Chitkara S, Muñoz E, Manzar ZA, Bharathi Rajan AP, Bieberich E, Atilla-Gokcumen GE, Al… · 2026-09-02

    unreviewed
  6. 6
    The role of sphingolipids in major depressive disorder and associated cognitive impairment: interactions with monoaminergic signaling, neuroinflammation, and neurogenesis.

    Hoertel N, Mühle C, Müller CP, Chaieb H, Scheer V, Fayad M, Sánchez-Rico M, Limosin F, Kornhuber J. · 2026-05-13

    cited 1× open access unreviewed
  7. 7
    Serine palmitoyltransferase (SPT) inhibition in SPTSSA-related complex hereditary spastic paraplegia.

    Gong Y, Thompson R, Glover AM, Gable K, Gupta SD, Golovanov N, Tassinari J, Casey N, Wishart BD, Townsend EL,… · 2026-09-29

    unreviewed
  8. 8
  9. 9
    Sphingolipid Remodeling and Extracellular Vesicle Signatures Reflect Disease Severity in Facioscapulohumeral Dystrophy Driven by Mitochondrial Dysfunction and Endoplasmic Reticulum Stress.

    Moriggi M, Ruggiero L, Torretta E, Zoppi D, Arosio B, Fiorillo C, Nigro V, Capitanio D, Gelfi C. · 2026-09-14

    open access unreviewed
  10. 10

External claims. These come from an index outside this database and are not checked against it. Treat them as leads.