chr20-62464852-G-A
Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2
The NM_080473.5(GATA5):c.1178C>T(p.Ala393Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000386 in 1,604,878 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Consequence
NM_080473.5 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -4 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000197 AC: 3AN: 152178Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.0000163 AC: 4AN: 244904Hom.: 0 AF XY: 0.0000225 AC XY: 3AN XY: 133488
GnomAD4 exome AF: 0.0000406 AC: 59AN: 1452700Hom.: 0 Cov.: 30 AF XY: 0.0000402 AC XY: 29AN XY: 721642
GnomAD4 genome AF: 0.0000197 AC: 3AN: 152178Hom.: 0 Cov.: 33 AF XY: 0.0000269 AC XY: 2AN XY: 74342
ClinVar
Submissions by phenotype
not provided Uncertain:2
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. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. ClinVar contains an entry for this variant (Variation ID: 1806815). This variant has not been reported in the literature in individuals affected with GATA5-related conditions. This variant is present in population databases (rs782198035, gnomAD 0.004%). This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 393 of the GATA5 protein (p.Ala393Val). -
In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Not observed at significant frequency in large population cohorts (gnomAD); Has not been previously published as pathogenic or benign in association with cardiomyopathy or congenital heart defects to our knowledge; This variant is associated with the following publications: (PMID: 28397838) -
GATA5-related disorder Uncertain:1
The GATA5 c.1178C>T variant is predicted to result in the amino acid substitution p.Ala393Val. This variant has been reported in one family in a study of intellectual disability, but no clinical details were provided (Table S3, Harripaul et al. 2017. PubMed ID: 28397838). This variant is reported in 0.0036% of alleles in individuals of European (Non-Finnish) descent in gnomAD (http://gnomad.broadinstitute.org/variant/20-61039908-G-A). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at