NM_000182.5(HADHA):c.2186T>C (p.Ile729Thr) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Nov 23, 2021
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

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:: RCV001874009.3

Allele description [Variation Report for NM_000182.5(HADHA):c.2186T>C (p.Ile729Thr)]

NM_000182.5(HADHA):c.2186T>C (p.Ile729Thr)

Genes:

GAREM2:GRB2 associated regulator of MAPK1 subtype 2 [Gene - OMIM - HGNC]
HADHA:hydroxyacyl-CoA dehydrogenase trifunctional multienzyme complex subunit alpha [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2p23.3

Genomic location:

Preferred name:

NM_000182.5(HADHA):c.2186T>C (p.Ile729Thr)

HGVS:

NC_000002.12:g.26191356A>G
NG_007121.2:g.58266T>C
NM_000182.4:c.2186T>C
NM_000182.5:c.2186T>CMANE SELECT
NP_000173.2:p.Ile729Thr
LRG_747t1:c.2186T>C
LRG_747:g.58266T>C
LRG_747p1:p.Ile729Thr
NC_000002.11:g.26414225A>G
NG_007121.1:g.58265T>C

Protein change:

I729T

Links:

dbSNP: rs143434901

NCBI 1000 Genomes Browser:

rs143434901

Molecular consequence:

NM_000182.5:c.2186T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Mitochondrial trifunctional protein deficiency
Identifiers:: MONDO: MONDO:0012172; MedGen: C1969443; Orphanet: 746; OMIM: PS609015

Name:: Long chain 3-hydroxyacyl-CoA dehydrogenase deficiency
Synonyms:: Deficiency of long-chain 3-hydroxyacyl-coenzyme A dehydrogenase; LCHAD Deficiency
Identifiers:: MONDO: MONDO:0012173; MedGen: C3711645; Orphanet: 5; OMIM: 609016

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002119185	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Nov 23, 2021)	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

SCV002119185

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Nov 23, 2021)

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 Labcorp Genetics (formerly Invitae), Labcorp, SCV002119185.2

#	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 isoleucine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 729 of the HADHA protein (p.Ile729Thr). This variant is present in population databases (rs143434901, gnomAD 0.02%). This variant has not been reported in the literature in individuals affected with HADHA-related conditions. 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 HADHA 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: Nov 24, 2024

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