chrX-53533365-G-A

Variant names:

Variant summary

Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PM2PP2PP3_Moderate

The NM_031407.7(HUWE1):c.13069C>T(p.Arg4357Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000166 in 1,206,317 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.0000090 ( 0 hom., 0 hem., cov: 22)

Exomes 𝑓: 9.1e-7 ( 0 hom. 0 hem. )

Consequence

HUWE1
NM_031407.7 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 6.42

Variant links:

Genes affected

HUWE1 (HGNC:30892): (HECT, UBA and WWE domain containing E3 ubiquitin protein ligase 1) This gene encodes a protein containing a C-terminal HECT (E6AP type E3 ubiquitin protein ligase) domain that functions as an E3 ubiquitin ligase. The encoded protein is required for the ubiquitination and subsequent degradation of the anti-apoptotic protein Mcl1 (myeloid cell leukemia sequence 1 (BCL2-related)). This protein also ubiquitinates the p53 tumor suppressor, core histones, and DNA polymerase beta. Mutations in this gene are associated with Turner type X-linked syndromic cognitive disability. [provided by RefSeq, Aug 2013]

HUWE1 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 5 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the HUWE1 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 52 curated pathogenic missense variants (we use a threshold of 10). The gene has 70 curated benign missense variants. Gene score misZ: 8.8732 (above the threshold of 3.09). GenCC associations: The gene is linked to syndromic intellectual disability, intellectual disability, X-linked syndromic, Turner type, non-syndromic X-linked intellectual disability.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.878

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HUWE1	NM_031407.7 link	c.13069C>T	p.Arg4357Cys	missense_variant	Exon 84 of 84	ENST00000262854.11	NP_113584.3	Q7Z6Z7-1A0A024R9W5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
HUWE1	ENST00000262854.11 link	c.13069C>T	p.Arg4357Cys	missense_variant	Exon 84 of 84	1	NM_031407.7	ENSP00000262854.6		Q7Z6Z7-1

Frequencies

GnomAD3 genomes

AF:

0.00000900

AC:

AN:

111116

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

33316

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000956

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

9.13e-7

AC:

AN:

1095201

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

360631

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000119

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000900

AC:

AN:

111116

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

33316

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000956

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000151

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:3

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jul 17, 2024	This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 4357 of the HUWE1 protein (p.Arg4357Cys). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with HUWE1-related conditions. ClinVar contains an entry for this variant (Variation ID: 1195142). 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 HUWE1 protein function with a positive predictive value of 95%. 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. -
Uncertain significance, criteria provided, single submitter	clinical testing	GeneDx	Mar 01, 2021	Not observed in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

HUWE1-related disorder

Uncertain:1

Uncertain significance, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Sep 06, 2024

The HUWE1 c.13069C>T variant is predicted to result in the amino acid substitution p.Arg4357Cys. To our knowledge, this variant has not been reported in the literature or in a large population database, indicating this variant is rare. Of note, a different substitution at the same codon, defined as c.13070G>A (p.Arg4357His), was reported in a newborn with syndromic presentation including blepharophimosis, sparse eyebrow, micrognathia, nystagmus, muscular, hypotonia of the trunk, broad hallux, clinodactyly of the 5th finger, primitive reflexes, and supernumerary nipple, but this individual also has a likely pathogenic variant in SOX11 (eTable 3, Lunke et al. 2020. PubMed ID: 32573669). At this time, the clinical significance of the c.13069C>T (p.Arg4357Cys) variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.74

BayesDel_addAF

Pathogenic

0.23

BayesDel_noAF

Uncertain

0.090

CADD

Uncertain

DANN

Benign

0.93

DEOGEN2

Benign

0.38

.;T;T

FATHMM_MKL

Uncertain

0.88

LIST_S2

Uncertain

0.90

D;.;D

M_CAP

Pathogenic

0.40

MetaRNN

Pathogenic

0.88

D;D;D

MetaSVM

Uncertain

0.099

MutationAssessor

Pathogenic

3.0

.;M;M

PrimateAI

Pathogenic

0.85

PROVEAN

Pathogenic

-6.2

.;D;D

REVEL

Uncertain

0.50

Sift

Pathogenic

0.0

.;D;D

Sift4G

Pathogenic

0.0010

D;D;D

Polyphen

1.0

.;D;D

Vest4

0.69

MutPred

0.67

.;Gain of ubiquitination at K4355 (P = 0.1079);Gain of ubiquitination at K4355 (P = 0.1079);

MVP

0.90

MPC

1.8

ClinPred

0.99

GERP RS

5.3

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.92

gMVP

0.95

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over