10558268656ENSG00000090054ENSMUSG00000021468O15269O35704NM_001281303NM_006415NM_178324NM_001368272NM_001368273NM_009269NP_001268232NP_006406NP_847894NP_001355201NP_001355202NP_033295Serine palmitoyltransferase, long chain base subunit 1, also known as SPTLC1, is a protein which in humans is encoded by the SPTLC1 gene.

[5][6] Serine palmitoyltransferase, which consists of two different subunits, is the initial enzyme in sphingolipid biosynthesis.

The product of this gene is the long chain base subunit 1 of serine palmitoyltransferase.

Mutations in this gene were identified in patients with hereditary sensory neuropathy type 1, macular disease,[7] and juvenile amyotrophic lateral sclerosis.

[8][9] Alternatively spliced variants encoding different isoforms have been identified.