NM_001377.3(DYNC2H1):c.5512G>A (p.Ala1838Thr) AND Jeune thoracic dystrophy

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Jan 15, 2022
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV000358847.7

Allele description [Variation Report for NM_001377.3(DYNC2H1):c.5512G>A (p.Ala1838Thr)]

NM_001377.3(DYNC2H1):c.5512G>A (p.Ala1838Thr)

Gene:

DYNC2H1:dynein cytoplasmic 2 heavy chain 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

11q22.3

Genomic location:

Preferred name:

NM_001377.3(DYNC2H1):c.5512G>A (p.Ala1838Thr)

HGVS:

NC_000011.10:g.103173259G>A
NG_016423.2:g.68829G>A
NM_001080463.2:c.5512G>A
NM_001377.3:c.5512G>AMANE SELECT
NP_001073932.1:p.Ala1838Thr
NP_001368.2:p.Ala1838Thr
NC_000011.9:g.103043988G>A
NG_016423.1:g.68829G>A
NM_001080463.1:c.5512G>A

Protein change:

A1838T

Links:

dbSNP: rs777912444

NCBI 1000 Genomes Browser:

rs777912444

Molecular consequence:

NM_001080463.2:c.5512G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001377.3:c.5512G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Jeune thoracic dystrophy (ATD1)
Synonyms:: Jeune syndrome; Infantile thoracic dystrophy; Thoracic pelvic phalangeal dystrophy; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0018770; MedGen: C0265275; OMIM: PS208500

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000366702	Illumina Laboratory Services, Illumina	criteria provided, single submitter (ICSL Variant Classification 20161018)	Uncertain significance (Jun 14, 2016)	germline	clinical testing	ICSL_Variant_Classification_20161018.pdf, Citation Link,
SCV003455296	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jan 15, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000366702

Illumina Laboratory Services, Illumina

criteria provided, single submitter

(ICSL Variant Classification 20161018)

Uncertain significance
(Jun 14, 2016)

germline

clinical testing

ICSL_Variant_Classification_20161018.pdf,

Citation Link,

SCV003455296

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jan 15, 2022)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Illumina Laboratory Services, Illumina, SCV000366702.2

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Labcorp Genetics (formerly Invitae), Labcorp, SCV003455296.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

This sequence change replaces alanine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 1838 of the DYNC2H1 protein (p.Ala1838Thr). This variant is present in population databases (rs777912444, gnomAD 0.003%). This variant has not been reported in the literature in individuals affected with DYNC2H1-related conditions. ClinVar contains an entry for this variant (Variation ID: 302047). 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 DYNC2H1 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.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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