ClinVar Genomic variation as it relates to human health
NM_001018005.2(TPM1):c.539A>G (p.Glu180Gly)
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.
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.
No data submitted for somatic clinical impact
No data submitted for oncogenicity
Variant Details
- Identifiers
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NM_001018005.2(TPM1):c.539A>G (p.Glu180Gly)
Variation ID: 12455 Accession: VCV000012455.7
- Type and length
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single nucleotide variant, 1 bp
- Location
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Cytogenetic: 15q22.2 15: 63060915 (GRCh38) [ NCBI UCSC ] 15: 63353114 (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 Apr 4, 2013 Feb 14, 2024 Feb 3, 2023 - HGVS
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Nucleotide Protein Molecular
consequenceNM_001018005.2:c.539A>G MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.
NP_001018005.1:p.Glu180Gly missense NM_000366.6:c.539A>G NP_000357.3:p.Glu180Gly missense NM_001018004.2:c.539A>G NP_001018004.1:p.Glu180Gly missense NM_001018006.2:c.539A>G NP_001018006.1:p.Glu180Gly missense NM_001018007.2:c.539A>G NP_001018007.1:p.Glu180Gly missense NM_001018008.2:c.431A>G NP_001018008.1:p.Glu144Gly missense NM_001018020.2:c.539A>G NP_001018020.1:p.Glu180Gly missense NM_001301244.2:c.539A>G NP_001288173.1:p.Glu180Gly missense NM_001301289.2:c.431A>G NP_001288218.1:p.Glu144Gly missense NM_001330344.2:c.431A>G NP_001317273.1:p.Glu144Gly missense NM_001330346.2:c.431A>G NP_001317275.1:p.Glu144Gly missense NM_001330351.2:c.431A>G NP_001317280.1:p.Glu144Gly missense NM_001365776.1:c.539A>G NP_001352705.1:p.Glu180Gly missense NM_001365777.1:c.539A>G NP_001352706.1:p.Glu180Gly missense NM_001365778.1:c.665A>G NP_001352707.1:p.Glu222Gly missense NM_001365779.1:c.539A>G NP_001352708.1:p.Glu180Gly missense NM_001365780.1:c.431A>G NP_001352709.1:p.Glu144Gly missense NM_001365781.2:c.431A>G NP_001352710.1:p.Glu144Gly missense NM_001365782.1:c.431A>G NP_001352711.1:p.Glu144Gly missense NC_000015.10:g.63060915A>G NC_000015.9:g.63353114A>G NG_007557.1:g.23277A>G LRG_387:g.23277A>G LRG_387t1:c.539A>G LRG_387p1:p.Glu180Gly P09493:p.Glu180Gly - Protein change
- E180G, E222G, E144G
- Other names
- p.E180G:GAG>GGG
- Canonical SPDI
- NC_000015.10:63060914:A:G
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Functional
consequence HelpThe effect of the variant on RNA or protein function, based on experimental evidence from submitters.
- functional variant Sequence Ontology [SO:0001536]
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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
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The frequency of the allele represented by this VCV record.
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Genes
Gene | OMIM | ClinGen Gene Dosage Sensitivity Curation |
Variation Viewer
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Links to Variation Viewer, a genome browser to view variation data from NCBI databases. |
Related variants | ||
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HI score
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The haploinsufficiency score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team. |
TS score
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The triplosensitivity score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team. |
Within gene
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The number of variants in ClinVar that are contained within this gene, with a link to view the list of variants. |
All
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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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TPM1 | No evidence available | No evidence available |
GRCh38 GRCh37 |
797 | 846 |
Conditions - Germline
Condition
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The condition for this variant-condition (RCV) record in ClinVar. |
Classification
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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
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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
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The most recent date that a submitter evaluated this variant for the condition. |
Variation/condition record
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The RCV accession number, with most recent version number, for the variant-condition record, with a link to the RCV web page. |
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Pathogenic (2) |
no assertion criteria provided
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Jun 3, 1994 | RCV000013271.26 | |
Pathogenic (1) |
criteria provided, single submitter
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Jun 28, 2021 | RCV000159367.2 | |
Pathogenic (1) |
criteria provided, single submitter
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Feb 3, 2023 | RCV002513005.2 |
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
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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
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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
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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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Pathogenic
(Jun 28, 2021)
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criteria provided, single submitter
Method: clinical testing
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Not Provided
Affected status: yes
Allele origin:
germline
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GeneDx
Accession: SCV000209313.10
First in ClinVar: Feb 24, 2015 Last updated: Feb 24, 2015 |
Comment:
Multiple published functional studies demonstrate increased tropomyosin calcium-sensitivity and perturbation of normal contractile kinetics (Bing et al., 1997; Bai et al., 2011; Borovikov et al., … (more)
Multiple published functional studies demonstrate increased tropomyosin calcium-sensitivity and perturbation of normal contractile kinetics (Bing et al., 1997; Bai et al., 2011; Borovikov et al., 2011; Ly and Lehrer, 2012); transgenic animal models demonstrate diastolic dysfunction, hypertrophy, and fibrosis (Prabhakar et al., 2001; Michele et al., 2002; Gaffin et al., 2011); In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; Not observed at significant frequency in large population cohorts (Lek et al., 2016); This variant is associated with the following publications: (PMID: 21320446, 27878731, 12169652, 22155441, 21295541, 9245729, 22794249, 22958892, 22187526, 10900175, 8205619, 25525159, 11136687, 20161772, 25241052, 22796693, 21047515, 8327508, 26109583, 22789852, 21376702, 11603924, 17313334, 29636697, 21840315, 27535533, 31535252) (less)
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Pathogenic
(Feb 03, 2023)
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criteria provided, single submitter
Method: clinical testing
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Hypertrophic cardiomyopathy
Affected status: unknown
Allele origin:
germline
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Invitae
Accession: SCV003442979.2
First in ClinVar: Feb 07, 2023 Last updated: Feb 14, 2024 |
Comment:
For these reasons, this variant has been classified as Pathogenic. This variant disrupts the p.Glu180 amino acid residue in TPM1. Other variant(s) that disrupt this … (more)
For these reasons, this variant has been classified as Pathogenic. This variant disrupts the p.Glu180 amino acid residue in TPM1. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 11044437; Invitae). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. Experimental studies have shown that this missense change affects TPM1 function (PMID: 10900175, 11603924, 22789852). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). ClinVar contains an entry for this variant (Variation ID: 12455). This missense change has been observed in individual(s) with hypertrophic cardiomyopathy (PMID: 8205619). It has also been observed to segregate with disease in related individuals. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glutamic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 180 of the TPM1 protein (p.Glu180Gly). (less)
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Pathogenic
(Jun 03, 1994)
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no assertion criteria provided
Method: literature only
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CARDIOMYOPATHY, FAMILIAL HYPERTROPHIC, 3
Affected status: not provided
Allele origin:
germline
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OMIM
Accession: SCV000033518.2
First in ClinVar: Apr 04, 2013 Last updated: Mar 18, 2023 |
Comment on evidence:
In members of family MZ with a form of familial hypertrophic cardiomyopathy linked to 15q (CMH3; 115196), Thierfelder et al. (1994) identified an A-to-G transition … (more)
In members of family MZ with a form of familial hypertrophic cardiomyopathy linked to 15q (CMH3; 115196), Thierfelder et al. (1994) identified an A-to-G transition at nucleotide 595 in exon 5 of the TPM1 gene in heterozygous state. The substitution changed codon 180 from GAG to GGG and predicted that a negatively charged glutamic acid residue is replaced by a neutral glycine residue. (less)
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not provided
(Apr 15, 2012)
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no classification provided
Method: curation
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Familial hypertrophic cardiomyopathy 3
Affected status: not provided
Allele origin:
germline
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Leiden Muscular Dystrophy (TPM1)
Accession: SCV000045884.1
First in ClinVar: Apr 04, 2013 Last updated: Apr 04, 2013 |
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Germline Functional Evidence
Functional
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The functional consequence of the variant, based on experimental evidence and provided by the submitter. consequence |
Method
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A brief description of the method used to determine the functional consequence of the variant. A citation for the method is included, when provided by the submitter. |
Result
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A brief description of the result of this method for 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 functional evidence for the germline classification, including citations, the comment on classification, and detailed evidence provided as observations of the variant by the submitter. |
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has functional consequence
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Leiden Muscular Dystrophy (TPM1)
Accession: SCV000045884.1
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Citations for germline classification of this variant
HelpTitle | Author | Journal | Year | Link |
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The flexibility of two tropomyosin mutants, D175N and E180G, that cause hypertrophic cardiomyopathy. | Li XE | Biochemical and biophysical research communications | 2012 | PMID: 22789852 |
A familial hypertrophic cardiomyopathy alpha-tropomyosin mutation causes severe cardiac hypertrophy and death in mice. | Prabhakar R | Journal of molecular and cellular cardiology | 2001 | PMID: 11603924 |
Novel mutation in the alpha-tropomyosin gene and transition from hypertrophic to hypocontractile dilated cardiomyopathy. | Regitz-Zagrosek V | Circulation | 2000 | PMID: 11044437 |
Effect of hypertrophic cardiomyopathy mutations in human cardiac muscle alpha -tropomyosin (Asp175Asn and Glu180Gly) on the regulatory properties of human cardiac troponin determined by in vitro motility assay. | Bing W | Journal of molecular and cellular cardiology | 2000 | PMID: 10900175 |
Alpha-tropomyosin and cardiac troponin T mutations cause familial hypertrophic cardiomyopathy: a disease of the sarcomere. | Thierfelder L | Cell | 1994 | PMID: 8205619 |
Text-mined citations for rs104894502 ...
HelpRecord last updated Feb 20, 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.