chr15-72344111-A-G
Variant summary
Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate
The NM_000520.6(HEXA):āc.1556T>Cā(p.Val519Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,650 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā ). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V519E) has been classified as Uncertain significance.
Frequency
Consequence
NM_000520.6 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 0 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
HEXA | NM_000520.6 | c.1556T>C | p.Val519Ala | missense_variant | 14/14 | ENST00000268097.10 | |
HEXA | NM_001318825.2 | c.1589T>C | p.Val530Ala | missense_variant | 14/14 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
HEXA | ENST00000268097.10 | c.1556T>C | p.Val519Ala | missense_variant | 14/14 | 1 | NM_000520.6 | P1 | |
ENST00000570175.1 | n.166-1275A>G | intron_variant, non_coding_transcript_variant | 1 |
Frequencies
GnomAD3 genomes Cov.: 31
GnomAD4 exome AF: 0.00000137 AC: 2AN: 1461650Hom.: 0 Cov.: 30 AF XY: 0.00000275 AC XY: 2AN XY: 727128
GnomAD4 genome Cov.: 31
ClinVar
Submissions by phenotype
Tay-Sachs disease Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | May 21, 2022 | This sequence change replaces valine, which is neutral and non-polar, with alanine, which is neutral and non-polar, at codon 519 of the HEXA protein (p.Val519Ala). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with HEXA-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at
Publications
No publications associated with this variant yet.