rs483352867
Variant summary
Our verdict is Pathogenic. The variant received 12 ACMG points: 12P and 0B. PM2PP3_ModeratePP5_Very_Strong
The NM_001382567.1(STIM1):c.910C>T(p.Arg304Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★★). Synonymous variant affecting the same amino acid position (i.e. R304R) has been classified as Likely benign.
Frequency
Consequence
NM_001382567.1 missense
Scores
Clinical Significance
Conservation
Publications
- myopathy, tubular aggregate, 1Inheritance: AD Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
- Stormorken syndromeInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P
- tubular aggregate myopathyInheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
- combined immunodeficiency due to STIM1 deficiencyInheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
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ACMG classification
Our verdict: Pathogenic. The variant received 12 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| STIM1 | NM_001382567.1 | c.910C>T | p.Arg304Trp | missense_variant | Exon 7 of 13 | ENST00000526596.2 | NP_001369496.1 |
Ensembl
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD4 exome Cov.: 31
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
Stormorken syndrome Pathogenic:2Other:1
Missense mutation found to segregate with Stormorken syndrome (OMIM 185070) in four families -
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not provided Pathogenic:1
Published functional studies demonstrate that this variant impairs the function of STIM1 (PMID: 24591628); Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 34440373, 32234795, 29483506, 30374325, 26436962, 30390422, 36749824, 4085141, 37903816, 31785581, 35724962, 25044882, 31216405, 33073872, 24591628, 30576443, 29146883, 28624464, 24619930, 25577287) -
Stormorken syndrome;C2748557:Combined immunodeficiency due to STIM1 deficiency Pathogenic:1
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Myopathy with tubular aggregates;C1861451:Stormorken syndrome;C2748557:Combined immunodeficiency due to STIM1 deficiency Pathogenic:1
For these reasons, this variant has been classified as Pathogenic. This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 304 of the STIM1 protein (p.Arg304Trp). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with clinical features of autosomal dominant STIM1-related conditions (PMID: 24591628, 24619930, 25044882, 25577287, 26436962). In at least one individual the variant was observed to be de novo. It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 132887). 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) has been performed at Invitae 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 STIM1 protein function. Experimental studies have shown that this missense change affects STIM1 function (PMID: 24591628, 25044882). -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at