Entrez Summary: This gene encodes a subunit of the serine palmitoyltransferase complex which catalyzes the rate-limiting step in sphingolipid biosynthesis. This subunit metabolizes lauroyl- and myristoyl-CoA and generates C14 and C16-sphingoid bases. [provided by RefSeq, Mar 2017].
UniProt Summary: Serine palmitoyltransferase (SPT). The heterodimer formed with LCB1/SPTLC1 constitutes the catalytic core. The composition of the serine palmitoyltransferase (SPT) complex determines the substrate preference. The SPTLC1-SPTLC3-SPTSSA isozyme uses both C14-CoA and C16-CoA as substrates, while the SPTLC1-SPTLC3-SPTSSB has the ability to use a broader range of acyl-CoAs without apparent preference. {ECO:0000269|PubMed:19416851}.
Pfam DomainsGO Terms
Pfam Domains
Beta elim lyase
Aminotran 1 2
GO Terms
serine C-palmitoyltransferase complex
serine C-palmitoyltransferase activity
sphingoid biosynthetic process
sphingoid metabolic process
pyridoxal phosphate binding
sphingolipid biosynthetic process
membrane lipid biosynthetic process
sphingolipid metabolic process
ammonium ion metabolic process
membrane lipid metabolic process
lipid biosynthetic process
endoplasmic reticulum membrane
cellular lipid metabolic process
lipid metabolic process
organonitrogen compound biosynthetic process
CRISPR Data
Compound HitMost Correlated Genes in ChemogenomicsTissues where Essential in the Avana Dataset (DepMap 20Q1)