rs138193236
Variant summary
Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PP3_ModerateBS2
The NM_001458.5(FLNC):c.4060C>G(p.Arg1354Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000112 in 1,610,388 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 (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1354Q) has been classified as Likely benign.
Frequency
Consequence
NM_001458.5 missense
Scores
Clinical Significance
Conservation
Publications
- dilated cardiomyopathyInheritance: AD Classification: DEFINITIVE Submitted by: ClinGen, Ambry Genetics, G2P
- myofibrillar myopathy 5Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, ClinGen, G2P
- hypertrophic cardiomyopathy 26Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, PanelApp Australia
- distal myopathy with posterior leg and anterior hand involvementInheritance: AD Classification: MODERATE, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics
- familial isolated restrictive cardiomyopathyInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- heart conduction diseaseInheritance: AD Classification: LIMITED Submitted by: Genomics England PanelApp
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ACMG classification
Our verdict: Likely_benign. The variant received -2 ACMG points.
Transcripts
RefSeq
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| FLNC | ENST00000325888.13 | c.4060C>G | p.Arg1354Gly | missense_variant | Exon 23 of 48 | 1 | NM_001458.5 | ENSP00000327145.8 |
Frequencies
GnomAD3 genomes AF: 0.0000197 AC: 3AN: 152156Hom.: 0 Cov.: 33 show subpopulations
GnomAD2 exomes AF: 0.0000122 AC: 3AN: 246494 AF XY: 0.0000149 show subpopulations
GnomAD4 exome AF: 0.0000103 AC: 15AN: 1458232Hom.: 0 Cov.: 33 AF XY: 0.00000965 AC XY: 7AN XY: 725610 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000197 AC: 3AN: 152156Hom.: 0 Cov.: 33 AF XY: 0.0000269 AC XY: 2AN XY: 74334 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
not provided Uncertain:2
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FLNC-related disorder Uncertain:1
The FLNC c.4060C>G variant is predicted to result in the amino acid substitution p.Arg1354Gly. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.0051% of alleles in individuals of East Asian descent in gnomAD. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -
Cardiovascular phenotype Uncertain:1
The p.R1354G variant (also known as c.4060C>G), located in coding exon 23 of the FLNC gene, results from a C to G substitution at nucleotide position 4060. The arginine at codon 1354 is replaced by glycine, an amino acid with dissimilar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
Myofibrillar myopathy 5;C3279722:Distal myopathy with posterior leg and anterior hand involvement;C4310749:Hypertrophic cardiomyopathy 26;CN239310:Dilated Cardiomyopathy, Dominant Uncertain:1
This sequence change replaces arginine, which is basic and polar, with glycine, which is neutral and non-polar, at codon 1354 of the FLNC protein (p.Arg1354Gly). This variant is present in population databases (rs138193236, gnomAD 0.005%). This variant has not been reported in the literature in individuals affected with FLNC-related conditions. ClinVar contains an entry for this variant (Variation ID: 570414). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) has been performed for this missense variant. However, the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on FLNC protein function. 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