VCV002418885.7 - ClinVar

NM_001927.4(DES):c.623T>G (p.Leu208Trp)

Germline

Classification

criteria provided, multiple submitters, no conflicts. Learn more about how ClinVar calculates review status.

Uncertain significance
Uncertain significance (3)

3 out of 3 submissions contributed to this 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.

Somatic

No data submitted for somatic clinical impact

Somatic

No data submitted for oncogenicity

Variant Details

Identifiers

NM_001927.4(DES):c.623T>G (p.Leu208Trp)

Variation ID: 2418885 Accession: VCV002418885.7

Type and length

single nucleotide variant, 1 bp

Location

Cytogenetic: 2q35 2: 219420139 (GRCh38) [ NCBI UCSC ] 2: 220284861 (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	Feb 13, 2023	Oct 13, 2024	Mar 6, 2024

HGVS

Nucleotide	Protein	Molecular consequence
NM_001927.4:c.623T>G MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.	NP_001918.3:p.Leu208Trp	missense
NM_001382708.1:c.623T>G	NP_001369637.1:p.Leu208Trp	missense
NM_001382709.1:c.623T>G	NP_001369638.1:p.Leu208Trp	missense
NM_001382710.1:c.623T>G	NP_001369639.1:p.Leu208Trp	missense
NM_001382711.1:c.623T>G	NP_001369640.1:p.Leu208Trp	missense
NM_001382712.1:c.623T>G	NP_001369641.1:p.Leu208Trp	missense
NM_001382713.1:c.496-386T>G		intron variant
NC_000002.12:g.219420139T>G
NC_000002.11:g.220284861T>G
NG_008043.1:g.6763T>G
LRG_380:g.6763T>G
LRG_380t1:c.623T>G	LRG_380p1:p.Leu208Trp

... more HGVS ... less HGVS

Protein change

L208W

Other names

Canonical SPDI

NC_000002.12:219420138:T:G

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.

Exome Aggregation Consortium (ExAC) 0.00001

Links

ClinGen: CA2125093 dbSNP: rs373062962 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.
DES		-	-	GRCh38 GRCh37	1334	1382

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.
Desmin-related myofibrillar myopathy	Uncertain significance (1)	criteria provided, single submitter	Feb 19, 2022	RCV003112129.4
Cardiovascular phenotype	Uncertain significance (1)	criteria provided, single submitter	Oct 2, 2023	RCV004244622.1
not provided	Uncertain significance (1)	criteria provided, single submitter	Mar 6, 2024	RCV004763593.1

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.	Expand all rows Collapse all rows 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 (Oct 02, 2023) C Contributing to aggregate classification	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Cardiovascular phenotype	Ambry Genetics Accession: SCV005017990.1 First in ClinVar: May 01, 2024 Last updated: May 01, 2024	Comment: show The p.L208W variant (also known as c.623T>G), located in coding exon 2 of the DES gene, results from a T to G substitution at nucleotide position 623. The leucine at codon 208 is replaced by tryptophan, an amino acid with similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. (less) Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: unknown Observation 1 Collection method: clinical testing Allele origin: germline Affected status: unknown

Uncertain significance (Feb 19, 2022) C Contributing to aggregate classification	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Desmin-related myofibrillar myopathy Desmin-related myofibrillar myopathy Explanation for multiple conditions: Uncertain. The variant was classified for several related diseases, possibly a spectrum of disease; the variant may be associated with one or more the diseases.	Labcorp Genetics (formerly Invitae), Labcorp Accession: SCV003786397.3 First in ClinVar: Feb 13, 2023 Last updated: Feb 28, 2024	Comment: show 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 expected to disrupt DES 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. This sequence change replaces leucine, which is neutral and non-polar, with tryptophan, which is neutral and slightly polar, at codon 208 of the DES protein (p.Leu208Trp). This variant is present in population databases (rs373062962, gnomAD 0.007%). This variant has not been reported in the literature in individuals affected with DES-related conditions. (less) Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: unknown Observation 1 Collection method: clinical testing Allele origin: germline Affected status: unknown

Uncertain significance (Mar 06, 2024) C Contributing to aggregate classification	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	not provided	GeneDx Accession: SCV005371494.1 First in ClinVar: Oct 13, 2024 Last updated: Oct 13, 2024	Comment: show Has not been previously published as pathogenic or benign to our knowledge; Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 26807690) (less) Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: yes Observation 1 Collection method: clinical testing Allele origin: germline Affected status: yes

Comment:

The p.L208W variant (also known as c.623T>G), located in coding exon 2 of the DES gene, results from a T to G substitution at nucleotide position 623. The leucine at codon 208 is replaced by tryptophan, an amino acid with similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

Comment:

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 expected to disrupt DES 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. This sequence change replaces leucine, which is neutral and non-polar, with tryptophan, which is neutral and slightly polar, at codon 208 of the DES protein (p.Leu208Trp). This variant is present in population databases (rs373062962, gnomAD 0.007%). This variant has not been reported in the literature in individuals affected with DES-related conditions.

Comment:

Has not been previously published as pathogenic or benign to our knowledge; Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 26807690)

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 rs373062962 ...

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 Apr 13, 2026