This variant has not been reported in the literature in individuals affected with TSC2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces aspartic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 647 of the TSC2 protein (p.Asp647Gly). 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 not expected to disrupt TSC2 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.
ClinVar Genomic variation as it relates to human health
NM_000548.5(TSC2):c.1940A>G (p.Asp647Gly)
Germline
Classification
Help
The aggregate germline classification for this variant, typically for a monogenic or Mendelian disorder as in the ACMG/AMP guidelines, or for response to a drug. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the aggregate classification.
(1)
Help
Stars represent the aggregate review status, or the level of review supporting the aggregate germline classification for this VCV record. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status. The number of submissions which contribute to this review status is shown in parentheses.
Uncertain significance
1
criteria provided, single submitter
Somatic
No data submitted for somatic clinical impact
Somatic
No data submitted for oncogenicity
Variant Details
- Identifiers
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NM_000548.5(TSC2):c.1940A>G (p.Asp647Gly)
Variation ID: 2108392 Accession: VCV002108392.2
- Type and length
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single nucleotide variant, 1 bp
- Location
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Cytogenetic: 16p13.3 16: 2071610 (GRCh38) [ NCBI UCSC ] 16: 2121611 (GRCh37) [ NCBI UCSC ]
- Timeline in ClinVar
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First in ClinVar Help The date this variant first appeared in ClinVar with each type of classification.
Last submission Help The date of the most recent submission for each type of classification for this variant.
Last evaluated Help The most recent date that a submitter evaluated this variant for each type of classification.
Germline Feb 8, 2023 Feb 20, 2024 Mar 10, 2022 - HGVS
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... more HGVS ... less HGVSNucleotide Protein Molecular
consequenceNM_000548.5:c.1940A>G MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.
NP_000539.2:p.Asp647Gly missense NM_001077183.3:c.1940A>G NP_001070651.1:p.Asp647Gly missense NM_001114382.3:c.1940A>G NP_001107854.1:p.Asp647Gly missense NM_001318827.2:c.1829A>G NP_001305756.1:p.Asp610Gly missense NM_001318829.2:c.1793A>G NP_001305758.1:p.Asp598Gly missense NM_001318831.2:c.1340A>G NP_001305760.1:p.Asp447Gly missense NM_001318832.2:c.1973A>G NP_001305761.1:p.Asp658Gly missense NM_001363528.2:c.1940A>G NP_001350457.1:p.Asp647Gly missense NM_001370404.1:c.1940A>G NP_001357333.1:p.Asp647Gly missense NM_001370405.1:c.1940A>G NP_001357334.1:p.Asp647Gly missense NM_001406663.1:c.1940A>G NP_001393592.1:p.Asp647Gly missense NM_001406664.1:c.1940A>G NP_001393593.1:p.Asp647Gly missense NM_001406665.1:c.1940A>G NP_001393594.1:p.Asp647Gly missense NM_001406667.1:c.2030A>G NP_001393596.1:p.Asp677Gly missense NM_001406668.1:c.2030A>G NP_001393597.1:p.Asp677Gly missense NM_001406670.1:c.1829A>G NP_001393599.1:p.Asp610Gly missense NM_001406671.1:c.1928A>G NP_001393600.1:p.Asp643Gly missense NM_001406673.1:c.1928A>G NP_001393602.1:p.Asp643Gly missense NM_001406675.1:c.1793A>G NP_001393604.1:p.Asp598Gly missense NM_001406676.1:c.1793A>G NP_001393605.1:p.Asp598Gly missense NM_001406677.1:c.1883A>G NP_001393606.1:p.Asp628Gly missense NM_001406678.1:c.1829A>G NP_001393607.1:p.Asp610Gly missense NM_001406679.1:c.1793A>G NP_001393608.1:p.Asp598Gly missense NM_001406680.1:c.1340A>G NP_001393609.1:p.Asp447Gly missense NM_001406681.1:c.1478A>G NP_001393610.1:p.Asp493Gly missense NM_001406682.1:c.1340A>G NP_001393611.1:p.Asp447Gly missense NM_001406683.1:c.1340A>G NP_001393612.1:p.Asp447Gly missense NM_001406684.1:c.1340A>G NP_001393613.1:p.Asp447Gly missense NM_001406685.1:c.1340A>G NP_001393614.1:p.Asp447Gly missense NM_001406686.1:c.1340A>G NP_001393615.1:p.Asp447Gly missense NM_001406687.1:c.1340A>G NP_001393616.1:p.Asp447Gly missense NM_001406688.1:c.1340A>G NP_001393617.1:p.Asp447Gly missense NM_001406689.1:c.596A>G NP_001393618.1:p.Asp199Gly missense NM_001406690.1:c.596A>G NP_001393619.1:p.Asp199Gly missense NM_001406691.1:c.596A>G NP_001393620.1:p.Asp199Gly missense NM_001406692.1:c.596A>G NP_001393621.1:p.Asp199Gly missense NM_001406693.1:c.596A>G NP_001393622.1:p.Asp199Gly missense NM_001406694.1:c.596A>G NP_001393623.1:p.Asp199Gly missense NM_001406695.1:c.596A>G NP_001393624.1:p.Asp199Gly missense NM_001406696.1:c.596A>G NP_001393625.1:p.Asp199Gly missense NM_001406697.1:c.596A>G NP_001393626.1:p.Asp199Gly missense NM_001406698.1:c.338A>G NP_001393627.1:p.Asp113Gly missense NM_021055.3:c.1940A>G NP_066399.2:p.Asp647Gly missense NR_176225.1:n.2050A>G NR_176226.1:n.2269A>G NR_176227.1:n.2269A>G NR_176228.1:n.2050A>G NR_176229.1:n.2050A>G NC_000016.10:g.2071610A>G NC_000016.9:g.2121611A>G NG_005895.1:g.27305A>G LRG_487:g.27305A>G LRG_487t1:c.1940A>G LRG_487p1:p.Asp647Gly - Protein change
- D199G, D447G, D677G, D598G, D643G, D628G, D647G, D113G, D493G, D610G, D658G
- Other names
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- Canonical SPDI
- NC_000016.10:2071609:A:G
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Functional
consequence HelpThe effect of the variant on RNA or protein function, based on experimental evidence from submitters.
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Global minor allele
frequency (GMAF) HelpThe global minor allele frequency calculated by the 1000 Genomes Project. The minor allele at this location is indicated in parentheses and may be different from the allele represented by this VCV record.
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Allele frequency
Help
The frequency of the allele represented by this VCV record.
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- Links
Genes
| Gene | OMIM | ClinGen Gene Dosage Sensitivity Curation |
Variation Viewer
Help
Links to Variation Viewer, a genome browser to view variation data from NCBI databases. |
Related variants | ||
|---|---|---|---|---|---|---|
| HI score
Help
The haploinsufficiency score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team. |
TS score
Help
The triplosensitivity score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team. |
Within gene
Help
The number of variants in ClinVar that are contained within this gene, with a link to view the list of variants. |
All
Help
The number of variants in ClinVar for this gene, including smaller variants within the gene and larger CNVs that overlap or fully contain the gene. |
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| TSC2 | Sufficient evidence for dosage pathogenicity | No evidence available |
GRCh38 GRCh37 |
10752 | 10951 | |
Conditions - Germline
| Condition
Help
The condition for this variant-condition (RCV) record in ClinVar. |
Classification
Help
The aggregate germline classification for this variant-condition (RCV) record in ClinVar. The number of submissions that contribute to this aggregate classification is shown in parentheses. (# of submissions) |
Review status
Help
The aggregate review status for this variant-condition (RCV) record in ClinVar. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status. |
Last evaluated
Help
The most recent date that a submitter evaluated this variant for the condition. |
Variation/condition record
Help
The RCV accession number, with most recent version number, for the variant-condition record, with a link to the RCV web page. |
|---|---|---|---|---|
| Uncertain significance (1) |
criteria provided, single submitter
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Mar 10, 2022 | RCV003017634.3 |
Submissions - Germline
| Classification
Help
The submitted germline classification for each SCV record. (Last evaluated) |
Review status
Help
Stars represent the review status, or the level of review supporting the submitted (SCV) record. This value is calculated by NCBI based on data from the submitter. Read our rules for calculating the review status. This column also includes a link to the submitter’s assertion criteria if provided, and the collection method. (Assertion criteria) |
Condition
Help
The condition for the classification, provided by the submitter for this submitted (SCV) record. This column also includes the affected status and allele origin of individuals observed with this variant. |
Submitter
Help
The submitting organization for this submitted (SCV) record. This column also includes the SCV accession and version number, the date this SCV first appeared in ClinVar, and the date that this SCV was last updated in ClinVar. |
More information
Help
This column includes more information supporting the classification, including citations, the comment on classification, and detailed evidence provided as observations of the variant by the submitter. |
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|---|---|---|---|---|---|
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Uncertain significance
(Mar 10, 2022)
|
criteria provided, single submitter
Method: clinical testing
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Tuberous sclerosis 2
Affected status: unknown
Allele origin:
germline
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Labcorp Genetics (formerly Invitae), Labcorp
Accession: SCV003328568.2
First in ClinVar: Feb 07, 2023 Last updated: Feb 20, 2024 |
Comment:
This variant has not been reported in the literature in individuals affected with TSC2-related conditions. This variant is not present in population databases (gnomAD no … (more)
This variant has not been reported in the literature in individuals affected with TSC2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces aspartic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 647 of the TSC2 protein (p.Asp647Gly). 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 not expected to disrupt TSC2 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. (less)
|
Comment:
Germline Functional Evidence
| There is no functional evidence in ClinVar for this variation. If you have generated functional data for this variation, please consider submitting that data to ClinVar. |
Comment:
This variant has not been reported in the literature in individuals affected with TSC2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces aspartic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 647 of the TSC2 protein (p.Asp647Gly). 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 not expected to disrupt TSC2 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.
Citations for germline classification of this variant
Help| There are no citations for germline classification of this variant in ClinVar. If you know of citations for this variation, please consider submitting that information to ClinVar. |
Text-mined citations for this variant ...
HelpRecord last updated Sep 29, 2024
This date represents the last time this VCV record was updated. The update may be due to an update to one of the included submitted records (SCVs), or due to an update that ClinVar made to the variant such as adding HGVS expressions or a rs number. So this date may be different from the date of the “most recent submission” reported at the top of this page.