chr10-74097274-C-G
Variant summary
Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PP3_ModerateBS2
The NM_014000.3(VCL):c.1814C>G(p.Pro605Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000558 in 1,613,986 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Consequence
NM_014000.3 missense
Scores
Clinical Significance
Conservation
Publications
- dilated cardiomyopathy 1WInheritance: AD Classification: STRONG, MODERATE, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
- dilated cardiomyopathyInheritance: AD Classification: MODERATE Submitted by: ClinGen
- familial isolated dilated cardiomyopathyInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- hypertrophic cardiomyopathy 15Inheritance: AD Classification: LIMITED Submitted by: PanelApp Australia, Ambry Genetics, Labcorp Genetics (formerly Invitae)
- hypertrophic cardiomyopathyInheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
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ACMG classification
Our verdict: Likely_benign. The variant received -2 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000197 AC: 3AN: 152216Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.00000398 AC: 1AN: 251430 AF XY: 0.00000736 show subpopulations
GnomAD4 exome AF: 0.00000410 AC: 6AN: 1461770Hom.: 0 Cov.: 31 AF XY: 0.00000413 AC XY: 3AN XY: 727190 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000197 AC: 3AN: 152216Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1AN XY: 74378 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
Dilated cardiomyopathy 1W Uncertain:1
This sequence change replaces proline, which is neutral and non-polar, with arginine, which is basic and polar, at codon 605 of the VCL protein (p.Pro605Arg). This variant is present in population databases (no rsID available, gnomAD 0.002%). This variant has not been reported in the literature in individuals affected with VCL-related conditions. ClinVar contains an entry for this variant (Variation ID: 468812). 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. 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. -
Dilated cardiomyopathy 1W;C2750459:Hypertrophic cardiomyopathy 15 Uncertain:1
The c.1814C>G variant in VCL has not previously been reported in the literature, however, it was deposited in ClinVar as Variant of Unknown Significance (ClinVar ID:468812). The c.1814C>G variant is observed in 6 alleles (~0.0015% minor allele frequency with 0 homozygotes) in population databases (gnomAD v2.1.1 and v3.1.2,TOPMed Freeze 8), suggesting it is not a common benign variant in the populations represented in those databases. The c.1814C>G variant is located in exon 13 of this 22-exon gene, and predicted to replace an evolutionarily conserved proline amino acid with arginine at position 605 (p.(Pro605Arg)) in the nonspecific region of the encoded protein (UniProtKB: P18206). In silico predictions are in favor of damaging effect for the predicted p.(Pro605Arg) variant (CADD v1.6 = 27.0, REVEL =0.822). Based on available evidence this heterozygous c.1814C>G p.(Pro605Arg) variant identified in VCL is classified as a Variant of Uncertain Significance. -
Cardiovascular phenotype Uncertain:1
The p.P605R variant (also known as c.1814C>G), located in coding exon 13 of the VCL gene, results from a C to G substitution at nucleotide position 1814. The proline at codon 605 is replaced by arginine, an amino acid with dissimilar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at