rs1240603758
Variant summary
Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2
The NM_198282.4(STING1):c.532C>T(p.Arg178Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,613,818 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. R178Q) has been classified as Uncertain significance.
Frequency
Consequence
NM_198282.4 missense
Scores
Clinical Significance
Conservation
Publications
- STING-associated vasculopathy with onset in infancyInheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Orphanet
- familial chilblain lupusInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
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ACMG classification
Our verdict: Likely_benign. The variant received -4 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| STING1 | NM_198282.4 | c.532C>T | p.Arg178Trp | missense_variant | Exon 6 of 8 | ENST00000330794.9 | NP_938023.1 | |
| STING1 | NM_001301738.2 | c.532C>T | p.Arg178Trp | missense_variant | Exon 6 of 7 | NP_001288667.1 | ||
| STING1 | NM_001367258.1 | c.175C>T | p.Arg59Trp | missense_variant | Exon 5 of 7 | NP_001354187.1 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| STING1 | ENST00000330794.9 | c.532C>T | p.Arg178Trp | missense_variant | Exon 6 of 8 | 1 | NM_198282.4 | ENSP00000331288.4 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152120Hom.: 0 Cov.: 31 show subpopulations
GnomAD2 exomes AF: 0.00000398 AC: 1AN: 251152 AF XY: 0.00000737 show subpopulations
GnomAD4 exome AF: 0.00000684 AC: 10AN: 1461698Hom.: 0 Cov.: 33 AF XY: 0.00000688 AC XY: 5AN XY: 727120 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.00000657 AC: 1AN: 152120Hom.: 0 Cov.: 31 AF XY: 0.0000135 AC XY: 1AN XY: 74308 show subpopulations
ClinVar
Submissions by phenotype
not provided Uncertain:1
STING-associated vasculopathy with onset in infancy Uncertain:1
This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 178 of the TMEM173 protein (p.Arg178Trp). This variant is present in population databases (no rsID available, gnomAD 0.0009%). This variant has not been reported in the literature in individuals affected with TMEM173-related conditions. ClinVar contains an entry for this variant (Variation ID: 475206). 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) indicates that this missense variant is expected to disrupt TMEM173 protein function with a positive predictive value of 80%. 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