VCV000237158.22 - ClinVar

NM_000179.3(MSH6):c.2479A>G (p.Asn827Asp)

Germline

Classification

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.

(7)

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.

Conflicting classifications of pathogenicity
Uncertain significance(6); Likely benign(1)

criteria provided, conflicting classifications

Somatic

No data submitted for somatic clinical impact

Somatic

No data submitted for oncogenicity

Variant Details

Identifiers

NM_000179.3(MSH6):c.2479A>G (p.Asn827Asp)

Variation ID: 237158 Accession: VCV000237158.22

Type and length

single nucleotide variant, 1 bp

Location

Cytogenetic: 2p16.3 2: 47800462 (GRCh38) [ NCBI UCSC ] 2: 48027601 (GRCh37) [ NCBI UCSC ]

Timeline in ClinVar

	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 27, 2017	Sep 16, 2024	Jan 16, 2024

HGVS

Nucleotide	Protein	Molecular consequence
NM_000179.3:c.2479A>G MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.	NP_000170.1:p.Asn827Asp	missense
NM_001281492.2:c.2089A>G	NP_001268421.1:p.Asn697Asp	missense
NM_001281493.2:c.1573A>G	NP_001268422.1:p.Asn525Asp	missense
NM_001281494.2:c.1573A>G	NP_001268423.1:p.Asn525Asp	missense
NC_000002.12:g.47800462A>G
NC_000002.11:g.48027601A>G
NG_007111.1:g.22316A>G
LRG_219:g.22316A>G
LRG_219t1:c.2479A>G	LRG_219p1:p.Asn827Asp

... more HGVS ... less HGVS

Protein change

N827D, N525D, N697D

Other names

Canonical SPDI

NC_000002.12:47800461:A:G

Functional consequence Help The effect of the variant on RNA or protein function, based on experimental evidence from submitters.

Global minor allele frequency (GMAF) Help The 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.

Allele frequency Help The frequency of the allele represented by this VCV record.

The Genome Aggregation Database (gnomAD), exomes 0.00000

Trans-Omics for Precision Medicine (TOPMed) 0.00000

Links

ClinGen: CA10582063 dbSNP: rs878853716 VarSome

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
Gene	OMIM	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.
MSH6		Sufficient evidence for dosage pathogenicity	No evidence available	GRCh38 GRCh37	9161	9479

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.
Hereditary nonpolyposis colorectal neoplasms	Uncertain significance (1)	criteria provided, single submitter	Jan 7, 2024	RCV000231716.8
not provided	Uncertain significance (1)	criteria provided, single submitter	Oct 5, 2023	RCV000483224.3
Hereditary cancer-predisposing syndrome	Conflicting interpretations of pathogenicity (2)	criteria provided, conflicting classifications	Apr 5, 2023	RCV000490886.10
Lynch syndrome 5	Uncertain significance (1)	criteria provided, single submitter	May 28, 2019	RCV000986722.1
Lynch syndrome	Uncertain significance (1)	criteria provided, single submitter	May 4, 2023	RCV003998718.2
Endometrial carcinoma	Uncertain significance (1)	criteria provided, single submitter	Jan 16, 2024	RCV004567711.1

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.
Uncertain significance (May 28, 2019)	criteria provided, single submitter (Mendelics Assertion Criteria 2017) Method: clinical testing	Lynch syndrome 5 Affected status: unknown Allele origin: unknown	Mendelics Accession: SCV001135820.1 First in ClinVar: Jan 09, 2020 Last updated: Jan 09, 2020
Uncertain significance (Apr 05, 2023)	criteria provided, single submitter (ACMG Guidelines, 2015) Method: clinical testing	Hereditary cancer-predisposing syndrome Affected status: unknown Allele origin: germline	Color Diagnostics, LLC DBA Color Health Accession: SCV000905508.4 First in ClinVar: May 20, 2019 Last updated: Feb 14, 2024	Comment: This missense variant replaces asparagine with aspartic acid at codon 827 of the MSH6 protein. Computational prediction suggests that this variant may not impact protein … (more) This missense variant replaces asparagine with aspartic acid at codon 827 of the MSH6 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with MSH6-related disorders in the literature. This variant has been identified in 1/249096 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. (less)
Uncertain significance (Jan 07, 2024)	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015)) Method: clinical testing	Hereditary nonpolyposis colorectal neoplasms Affected status: unknown Allele origin: germline	Labcorp Genetics (formerly Invitae), Labcorp Accession: SCV000283752.6 First in ClinVar: Jul 03, 2016 Last updated: Feb 20, 2024	Comment: This sequence change replaces asparagine, which is neutral and polar, with aspartic acid, which is acidic and polar, at codon 827 of the MSH6 protein … (more) This sequence change replaces asparagine, which is neutral and polar, with aspartic acid, which is acidic and polar, at codon 827 of the MSH6 protein (p.Asn827Asp). 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 MSH6-related conditions. ClinVar contains an entry for this variant (Variation ID: 237158). 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 MSH6 protein function with a negative predictive value of 95%. 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)
Likely benign (Aug 28, 2018)	criteria provided, single submitter (Ambry Variant Classification Scheme 2023) Method: clinical testing	Hereditary cancer-predisposing syndrome Affected status: unknown Allele origin: germline	Ambry Genetics Accession: SCV000580207.6 First in ClinVar: Jun 25, 2017 Last updated: May 01, 2024	Comment: 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 … (more) 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. (less)
Uncertain significance (Oct 05, 2023)	criteria provided, single submitter (GeneDx Variant Classification Process June 2021) Method: clinical testing	Not Provided Affected status: yes Allele origin: germline	GeneDx Accession: SCV000565225.4 First in ClinVar: Apr 27, 2017 Last updated: Sep 16, 2024	Comment: Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not … (more) Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 17531815, 21120944) (less)
Uncertain Significance (May 04, 2023)	criteria provided, single submitter (ACMG Guidelines, 2015) Method: clinical testing	Lynch syndrome (Autosomal dominant inheritance) Affected status: unknown Allele origin: germline	All of Us Research Program, National Institutes of Health Accession: SCV004842482.1 First in ClinVar: Apr 20, 2024 Last updated: Apr 20, 2024 Comment: This study involves interpretation of variants in research participants for the purpose of population health screening. Participant phenotype was not available at the time of … (more) This study involves interpretation of variants in research participants for the purpose of population health screening. Participant phenotype was not available at the time of variant classification. Additional details can be found in publication PMID: 35346344, PMCID: PMC8962531 (less)	Comment: This missense variant replaces asparagine with aspartic acid at codon 827 of the MSH6 protein. Computational prediction suggests that this variant may not impact protein … (more) This missense variant replaces asparagine with aspartic acid at codon 827 of the MSH6 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with MSH6-related disorders in the literature. This variant has been identified in 1/249096 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. (less) Number of individuals with the variant: 1
Uncertain significance (Jan 16, 2024)	criteria provided, single submitter (ACMG Guidelines, 2015) Method: clinical testing	Endometrial carcinoma Affected status: unknown Allele origin: unknown	Baylor Genetics Accession: SCV005054963.1 First in ClinVar: Jun 17, 2024 Last updated: Jun 17, 2024

Comment:

This missense variant replaces asparagine with aspartic acid at codon 827 of the MSH6 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with MSH6-related disorders in the literature. This variant has been identified in 1/249096 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

Comment:

This sequence change replaces asparagine, which is neutral and polar, with aspartic acid, which is acidic and polar, at codon 827 of the MSH6 protein (p.Asn827Asp). 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 MSH6-related conditions. ClinVar contains an entry for this variant (Variation ID: 237158). 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 MSH6 protein function with a negative predictive value of 95%. 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.

Comment:

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.

Comment:

Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 17531815, 21120944)

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:

Citations for germline classification of this variant

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 rs878853716 ...

These citations are identified by LitVar using the rs number, so they may include citations for more than one variant at this location. Please review the LitVar results carefully for your variant of interest.

Record last updated Oct 08, 2024

ClinVar Genomic variation as it relates to human health

NM_000179.3(MSH6):c.2479A>G (p.Asn827Asp)

Variant Details

Genes

Conditions - Germline

Submissions - Germline

Germline Functional Evidence

Citations for germline classification of this variant

Text-mined citations for rs878853716 ...