rs1280185461
Variant summary
Our verdict is Likely pathogenic. Variant got 9 ACMG points: 9P and 0B. PM1PM2PP3_StrongPP5
The NM_001130987.2(DYSF):c.5557C>T(p.Arg1853Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000562 in 1,601,670 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1853H) has been classified as Uncertain significance.
Frequency
Consequence
NM_001130987.2 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_pathogenic. Variant got 9 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
DYSF | NM_001130987.2 | c.5557C>T | p.Arg1853Cys | missense_variant | 50/56 | ENST00000410020.8 | |
DYSF | NM_003494.4 | c.5440C>T | p.Arg1814Cys | missense_variant | 49/55 | ENST00000258104.8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
DYSF | ENST00000410020.8 | c.5557C>T | p.Arg1853Cys | missense_variant | 50/56 | 1 | NM_001130987.2 | A1 | |
DYSF | ENST00000258104.8 | c.5440C>T | p.Arg1814Cys | missense_variant | 49/55 | 1 | NM_003494.4 | A1 |
Frequencies
GnomAD3 genomes ? AF: 0.00000657 AC: 1AN: 152130Hom.: 0 Cov.: 33
GnomAD4 exome AF: 0.00000552 AC: 8AN: 1449540Hom.: 0 Cov.: 31 AF XY: 0.00000417 AC XY: 3AN XY: 719360
GnomAD4 genome ? AF: 0.00000657 AC: 1AN: 152130Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0AN XY: 74300
ClinVar
Submissions by phenotype
Qualitative or quantitative defects of dysferlin Pathogenic:1Uncertain:1
Pathogenic, criteria provided, single submitter | clinical testing | Invitae | Nov 05, 2023 | This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 1814 of the DYSF protein (p.Arg1814Cys). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with DYSF-related conditions (PMID: 21522182, 26404900). ClinVar contains an entry for this variant (Variation ID: 557327). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt DYSF protein function with a positive predictive value of 95%. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic. - |
Uncertain significance, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Nov 19, 2017 | This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. However, the evidence from the literature, in combination with allele frequency data from public databases where available, was not sufficient to rule this variant in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. - |
Autosomal recessive limb-girdle muscular dystrophy type 2B Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Counsyl | Mar 16, 2018 | - - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at