rs779584449
Variant summary
Our verdict is Uncertain significance. Variant got 3 ACMG points: 4P and 1B. PM2PP2PP3BP6
The NM_000368.5(TSC1):c.2030C>T(p.Thr677Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,613,928 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). Synonymous variant affecting the same amino acid position (i.e. T677T) has been classified as Likely benign.
Frequency
Consequence
NM_000368.5 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 3 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
TSC1 | NM_000368.5 | c.2030C>T | p.Thr677Ile | missense_variant | 16/23 | ENST00000298552.9 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
TSC1 | ENST00000298552.9 | c.2030C>T | p.Thr677Ile | missense_variant | 16/23 | 1 | NM_000368.5 | P4 |
Frequencies
GnomAD3 genomes ? AF: 0.0000197 AC: 3AN: 152200Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251118Hom.: 0 AF XY: 0.00000737 AC XY: 1AN XY: 135748
GnomAD4 exome AF: 0.00000137 AC: 2AN: 1461728Hom.: 0 Cov.: 31 AF XY: 0.00000275 AC XY: 2AN XY: 727152
GnomAD4 genome ? AF: 0.0000197 AC: 3AN: 152200Hom.: 0 Cov.: 32 AF XY: 0.0000403 AC XY: 3AN XY: 74358
ClinVar
Submissions by phenotype
Hereditary cancer-predisposing syndrome Uncertain:1Benign:1
Uncertain significance, criteria provided, single submitter | curation | Sema4, Sema4 | Jul 15, 2021 | - - |
Likely benign, criteria provided, single submitter | clinical testing | Ambry Genetics | Dec 13, 2022 | This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. - |
Tuberous sclerosis 1 Benign:2
Likely benign, criteria provided, single submitter | clinical testing | Genome-Nilou Lab | Nov 07, 2021 | - - |
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Oct 10, 2023 | - - |
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | GeneDx | Jul 10, 2023 | In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at