U.S. flag

An official website of the United States government

NM_006087.4(TUBB4A):c.1078G>C (p.Gly360Arg) AND Hypomyelinating leukodystrophy 6

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Feb 22, 2023
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:
RCV003741984.1

Allele description

NM_006087.4(TUBB4A):c.1078G>C (p.Gly360Arg)

Gene:
TUBB4A:tubulin beta 4A class IVa [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
19p13.3
Genomic location:
Preferred name:
NM_006087.4(TUBB4A):c.1078G>C (p.Gly360Arg)
HGVS:
  • NC_000019.10:g.6495421C>G
  • NG_033896.1:g.12428G>C
  • NM_001289123.2:c.1231G>C
  • NM_001289127.2:c.1213G>C
  • NM_001289129.2:c.1078G>C
  • NM_001289130.2:c.862G>C
  • NM_001289131.2:c.862G>C
  • NM_006087.4:c.1078G>CMANE SELECT
  • NP_001276052.1:p.Gly411Arg
  • NP_001276056.1:p.Gly405Arg
  • NP_001276058.1:p.Gly360Arg
  • NP_001276059.1:p.Gly288Arg
  • NP_001276060.1:p.Gly288Arg
  • NP_006078.2:p.Gly360Arg
  • NC_000019.9:g.6495432C>G
Protein change:
G288R
Molecular consequence:
  • NM_001289123.2:c.1231G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001289127.2:c.1213G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001289129.2:c.1078G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001289130.2:c.862G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001289131.2:c.862G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_006087.4:c.1078G>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Hypomyelinating leukodystrophy 6
Synonyms:
LEUKODYSTROPHY, HYPOMYELINATING, WITH ATROPHY OF THE BASAL GANGLIA AND CEREBELLUM; TUBB4A-Associated Leukodystrophy
Identifiers:
MONDO: MONDO:0012905; MedGen: C2676244; Orphanet: 139441; OMIM: 612438

Recent activity

Clear Turn Off Turn On

Your browsing activity is empty.

Activity recording is turned off.

Turn recording back on

See more...

Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV004435268Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Feb 22, 2023) 		germlineclinical testing

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

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical 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 Invitae, SCV004435268.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

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 glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 360 of the TUBB4A protein (p.Gly360Arg). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with TUBB4A-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 expected to disrupt TUBB4A protein function.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Feb 28, 2024