Incidental Mutation 'IGL00811:Sptlc1'
ID 14231
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Sptlc1
Ensembl Gene ENSMUSG00000021468
Gene Name serine palmitoyltransferase, long chain base subunit 1
Synonyms Spt1, Lcb1
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL00811
Quality Score
Status
Chromosome 13
Chromosomal Location 53486784-53531433 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 53521414 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Serine at position 121 (A121S)
Ref Sequence ENSEMBL: ENSMUSP00000021920 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021920]
AlphaFold O35704
Predicted Effect probably damaging
Transcript: ENSMUST00000021920
AA Change: A121S

PolyPhen 2 Score 0.981 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000021920
Gene: ENSMUSG00000021468
AA Change: A121S

DomainStartEndE-ValueType
transmembrane domain 20 40 N/A INTRINSIC
Pfam:Aminotran_1_2 98 464 9.5e-44 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000221265
Coding Region Coverage
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the class-II pyridoxal-phosphate-dependent aminotransferase family. The encoded protein is the long chain base subunit 1 of serine palmitoyltransferase. Serine palmitoyltransferase converts L-serine and palmitoyl-CoA to 3-oxosphinganine with pyridoxal 5'-phosphate and is the key enzyme in sphingolipid biosynthesis. Mutations in this gene were identified in patients with hereditary sensory neuropathy type 1. Alternatively spliced variants encoding different isoforms have been identified. Pseudogenes of this gene have been defined on chromosomes 1, 6, 10, and 13. [provided by RefSeq, Jul 2013]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit prenatal lethality. Mice homozygous for a knock-out allele exhibit abnormal sphingolipid levels. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 24 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agps T C 2: 75,756,316 (GRCm39) F649L probably benign Het
Agrn A T 4: 156,253,231 (GRCm39) D1752E possibly damaging Het
Det1 A G 7: 78,489,807 (GRCm39) V406A probably benign Het
Dhx57 A G 17: 80,560,672 (GRCm39) V955A probably damaging Het
Dpep1 T C 8: 123,926,354 (GRCm39) probably benign Het
Epha7 T A 4: 28,961,285 (GRCm39) probably benign Het
Faim G A 9: 98,874,218 (GRCm39) G15R probably damaging Het
Fbxl5 A G 5: 43,915,567 (GRCm39) L614P probably damaging Het
Fem1b A T 9: 62,704,201 (GRCm39) V353D probably damaging Het
Fgf22 C T 10: 79,592,724 (GRCm39) P140S probably damaging Het
Ifi47 T C 11: 48,986,244 (GRCm39) F4L probably benign Het
Kmt2c A C 5: 25,579,531 (GRCm39) S588R possibly damaging Het
Nmrk1 T A 19: 18,622,511 (GRCm39) probably benign Het
Nomo1 C T 7: 45,732,732 (GRCm39) A1165V possibly damaging Het
Osmr G A 15: 6,845,147 (GRCm39) T873I probably benign Het
Pclo A G 5: 14,730,024 (GRCm39) probably benign Het
Rims2 T A 15: 39,155,544 (GRCm39) M115K probably damaging Het
Rora C A 9: 69,278,572 (GRCm39) T299K probably benign Het
Sema6d C A 2: 124,500,389 (GRCm39) P386Q probably damaging Het
Slit2 G A 5: 48,146,493 (GRCm39) E95K possibly damaging Het
Sox18 T C 2: 181,312,213 (GRCm39) E306G probably benign Het
Ssh2 C T 11: 77,332,752 (GRCm39) A411V probably damaging Het
Trim13 A G 14: 61,842,306 (GRCm39) probably null Het
Vps13c T A 9: 67,855,463 (GRCm39) N2509K probably damaging Het
Other mutations in Sptlc1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01354:Sptlc1 APN 13 53,487,987 (GRCm39) missense probably benign
IGL01773:Sptlc1 APN 13 53,531,334 (GRCm39) missense probably damaging 0.96
IGL01876:Sptlc1 APN 13 53,528,048 (GRCm39) missense probably benign 0.02
R0390:Sptlc1 UTSW 13 53,491,648 (GRCm39) missense probably benign 0.06
R1371:Sptlc1 UTSW 13 53,505,660 (GRCm39) missense probably benign
R1961:Sptlc1 UTSW 13 53,512,916 (GRCm39) missense probably benign
R2179:Sptlc1 UTSW 13 53,505,675 (GRCm39) missense probably damaging 1.00
R2513:Sptlc1 UTSW 13 53,491,676 (GRCm39) missense possibly damaging 0.61
R4357:Sptlc1 UTSW 13 53,528,068 (GRCm39) missense probably damaging 1.00
R4989:Sptlc1 UTSW 13 53,505,692 (GRCm39) missense probably damaging 0.97
R5055:Sptlc1 UTSW 13 53,496,218 (GRCm39) missense probably benign 0.02
R6415:Sptlc1 UTSW 13 53,505,728 (GRCm39) critical splice acceptor site probably null
R6752:Sptlc1 UTSW 13 53,489,394 (GRCm39) missense possibly damaging 0.67
R7283:Sptlc1 UTSW 13 53,498,914 (GRCm39) missense probably benign 0.03
R7548:Sptlc1 UTSW 13 53,521,968 (GRCm39) missense possibly damaging 0.84
R7731:Sptlc1 UTSW 13 53,487,993 (GRCm39) missense probably benign 0.00
R9268:Sptlc1 UTSW 13 53,512,872 (GRCm39) missense probably damaging 1.00
R9302:Sptlc1 UTSW 13 53,528,047 (GRCm39) missense probably benign 0.06
R9794:Sptlc1 UTSW 13 53,512,803 (GRCm39) missense possibly damaging 0.93
Posted On 2012-12-06