NM_001080.3(ALDH5A1):c.539A>G (p.His180Arg) AND Succinate-semialdehyde dehydrogenase deficiency

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Mar 27, 2022
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:: RCV003080915.3

Allele description [Variation Report for NM_001080.3(ALDH5A1):c.539A>G (p.His180Arg)]

NM_001080.3(ALDH5A1):c.539A>G (p.His180Arg)

Gene:

ALDH5A1:aldehyde dehydrogenase 5 family member A1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

6p22.3

Genomic location:

Preferred name:

NM_001080.3(ALDH5A1):c.539A>G (p.His180Arg)

HGVS:

NC_000006.12:g.24503363A>G
NG_008161.1:g.13395A>G
NM_001080.3:c.539A>GMANE SELECT
NM_001368954.1:c.539A>G
NM_170740.1:c.539A>G
NP_001071.1:p.His180Arg
NP_001355883.1:p.His180Arg
NP_733936.1:p.His180Arg
NC_000006.11:g.24503591A>G

Protein change:

H180R

Molecular consequence:

NM_001080.3:c.539A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001368954.1:c.539A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_170740.1:c.539A>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Succinate-semialdehyde dehydrogenase deficiency (SSADHD)
Synonyms:: 4-hydroxybutyric aciduria; Gamma-hydroxybutyricaciduria
Identifiers:: MONDO: MONDO:0010083; MedGen: C0268631; Orphanet: 22; OMIM: 271980

Recent activity

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cytochrome oxidase subunit I, partial (mitochondrion) [Moina micrura]
cytochrome oxidase subunit I, partial (mitochondrion) [Moina micrura]
gi|1009658480|gb|AMR72706.1|

Protein

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003486919	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Mar 27, 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

SCV003486919

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Mar 27, 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 Labcorp Genetics (formerly Invitae), Labcorp, SCV003486919.2

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

Description

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 ALDH5A1 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 variant has not been reported in the literature in individuals affected with ALDH5A1-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces histidine, which is basic and polar, with arginine, which is basic and polar, at codon 180 of the ALDH5A1 protein (p.His180Arg).

#	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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