14-77506294-A-AT
Variant summary
Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP6_ModerateBS1BS2
The NM_004863.4(SPTLC2):c.*5989_*5990insA variant causes a 3 prime UTR change. The variant allele was found at a frequency of 0.000289 in 152,358 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: 𝑓 0.00029 ( 0 hom., cov: 32)
Consequence
SPTLC2
NM_004863.4 3_prime_UTR
NM_004863.4 3_prime_UTR
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 4.33
Genes affected
SPTLC2 (HGNC:11278): (serine palmitoyltransferase long chain base subunit 2) This gene encodes a long chain base subunit of serine palmitoyltransferase. Serine palmitoyltransferase, which consists of two different subunits, is the key enzyme in sphingolipid biosynthesis. It catalyzes the pyridoxal-5-prime-phosphate-dependent condensation of L-serine and palmitoyl-CoA to 3-oxosphinganine. Mutations in this gene were identified in patients with hereditary sensory neuropathy type I. [provided by RefSeq, Mar 2011]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -10 ACMG points.
BP6
?
Variant 14-77506294-A-AT is Benign according to our data. Variant chr14-77506294-A-AT is described in ClinVar as [Likely_benign]. Clinvar id is 314573.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
?
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000289 (44/152358) while in subpopulation EAS AF= 0.00597 (31/5190). AF 95% confidence interval is 0.00432. There are 0 homozygotes in gnomad4. There are 30 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
?
High AC in GnomAd at 44 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SPTLC2 | NM_004863.4 | c.*5989_*5990insA | 3_prime_UTR_variant | 12/12 | ENST00000216484.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SPTLC2 | ENST00000216484.7 | c.*5989_*5990insA | 3_prime_UTR_variant | 12/12 | 1 | NM_004863.4 | P1 | ||
SPTLC2 | ENST00000686627.1 | n.6710_6711insA | non_coding_transcript_exon_variant | 5/5 | |||||
SPTLC2 | ENST00000687688.1 | n.7441_7442insA | non_coding_transcript_exon_variant | 9/9 | |||||
SPTLC2 | ENST00000692906.1 | n.7410_7411insA | non_coding_transcript_exon_variant | 11/11 |
Frequencies
GnomAD3 genomes ? AF: 0.000289 AC: 44AN: 152240Hom.: 0 Cov.: 32
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GnomAD4 genome ? AF: 0.000289 AC: 44AN: 152358Hom.: 0 Cov.: 32 AF XY: 0.000403 AC XY: 30AN XY: 74512
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Neuropathy, hereditary sensory and autonomic, type 1C Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
Computational scores
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at