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NM_001370298.3(FGD4):c.708G>T (p.Gln236His) AND Charcot-Marie-Tooth disease type 4

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Dec 19, 2019
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:
RCV001070436.2

Allele description [Variation Report for NM_001370298.3(FGD4):c.708G>T (p.Gln236His)]

NM_001370298.3(FGD4):c.708G>T (p.Gln236His)

Gene:
FGD4:FYVE, RhoGEF and PH domain containing 4 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
12p11.21
Genomic location:
Preferred name:
NM_001370298.3(FGD4):c.708G>T (p.Gln236His)
HGVS:
  • NC_000012.12:g.32582164G>T
  • NG_008626.2:g.187636G>T
  • NM_001304481.2:c.552G>T
  • NM_001304483.2:c.-548G>T
  • NM_001304484.2:c.-855G>T
  • NM_001330373.2:c.18G>T
  • NM_001330374.2:c.18G>T
  • NM_001370297.1:c.49-16333G>T
  • NM_001370298.3:c.708G>TMANE SELECT
  • NM_001384126.1:c.708G>T
  • NM_001384127.1:c.297G>T
  • NM_001384128.1:c.297G>T
  • NM_001384130.1:c.18G>T
  • NM_001384131.1:c.297G>T
  • NM_001384132.1:c.297G>T
  • NM_001385118.1:c.297G>T
  • NM_139241.3:c.297G>T
  • NP_001291410.1:p.Gln184His
  • NP_001291410.1:p.Gln184His
  • NP_001317302.1:p.Gln6His
  • NP_001317303.1:p.Gln6His
  • NP_001357227.2:p.Gln236His
  • NP_001371055.1:p.Gln236His
  • NP_001371056.1:p.Gln99His
  • NP_001371057.1:p.Gln99His
  • NP_001371059.1:p.Gln6His
  • NP_001371060.1:p.Gln99His
  • NP_001371061.1:p.Gln99His
  • NP_001372047.1:p.Gln99His
  • NP_640334.2:p.Gln99His
  • LRG_240t1:c.297G>T
  • LRG_240t2:c.552G>T
  • LRG_240:g.187636G>T
  • LRG_240p1:p.Gln99His
  • LRG_240p2:p.Gln184His
  • NC_000012.11:g.32735098G>T
  • NM_001304481.1:c.552G>T
  • NR_168884.1:n.534G>T
Protein change:
Q184H
Links:
dbSNP: rs936490141
NCBI 1000 Genomes Browser:
rs936490141
Molecular consequence:
  • NM_001304483.2:c.-548G>T - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_001304484.2:c.-855G>T - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_001370297.1:c.49-16333G>T - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001304481.2:c.552G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001330373.2:c.18G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001330374.2:c.18G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001370298.3:c.708G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001384126.1:c.708G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001384127.1:c.297G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001384128.1:c.297G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001384130.1:c.18G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001384131.1:c.297G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001384132.1:c.297G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001385118.1:c.297G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_139241.3:c.297G>T - missense variant - [Sequence Ontology: SO:0001583]
  • NR_168884.1:n.534G>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:
Charcot-Marie-Tooth disease type 4
Synonyms:
Charcot-Marie-Tooth, Type 4
Identifiers:
MONDO: MONDO:0018995; MedGen: C4082197

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV001235664Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Dec 19, 2019) 		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 Labcorp Genetics (formerly Invitae), Labcorp, SCV001235664.1

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

Description

This sequence change replaces glutamine with histidine at codon 99 of the FGD4 protein (p.Gln99His). The glutamine residue is highly conserved and there is a small physicochemical difference between glutamine and histidine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with FGD4-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C15"). 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.

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

Last Updated: Sep 29, 2024