rs756090687

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_015404.4(WHRN):c.1547C>T(p.Thr516Ile) variant causes a missense change. The variant allele was found at a frequency of 0.0000171 in 1,461,856 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.000017 ( 0 hom. )

Consequence

WHRN
NM_015404.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 5.76

Publications

0 publications found

Variant links:

Genes affected

WHRN (HGNC:16361): (whirlin) This gene is thought to function in the organization and stabilization of sterocilia elongation and actin cystoskeletal assembly, based on studies of the related mouse gene. Mutations in this gene have been associated with autosomal recessive non-syndromic deafness and Usher Syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2016]

WHRN Gene-Disease associations (from GenCC):

Usher syndrome type 2D
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), PanelApp Australia, Ambry Genetics, G2P
autosomal recessive nonsyndromic hearing loss 31
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, PanelApp Australia
nonsyndromic genetic hearing loss
Inheritance: AR Classification: MODERATE Submitted by: ClinGen
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
Usher syndrome type 2
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

WHRN links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.2716681).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
WHRN	NM_015404.4 link	c.1547C>T	p.Thr516Ile	missense_variant	Exon 7 of 12	ENST00000362057.4	NP_056219.3	Q9P202-1B9EGE6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
WHRN	ENST00000362057.4 link	c.1547C>T	p.Thr516Ile	missense_variant	Exon 7 of 12	1	NM_015404.4	ENSP00000354623.3		Q9P202-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000796

AC:

AN:

251396

AF XY:

0.00000736

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000880

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000171

AC:

AN:

1461856

Hom.:

Cov.:

AF XY:

0.0000206

AC XY:

AN XY:

727220

show subpopulations

African (AFR)

AF:

0.0000597

AC:

AN:

33480

American (AMR)

AF:

0.000112

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000989

AC:

AN:

1111988

Other (OTH)

AF:

0.0000166

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.471

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ExAC

AF:

0.00000824

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 02, 2015

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The p.Thr516Ile variant in DFNB31 has not been previously reported in individual s with hearing loss, but has been identified in 1/16512 of South Asian chromosom es by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute.org). T he threonine (Thr) at position 1547 is not highly conserved in mammals or evolut ionary distant species, and one mammal (Alpaca) has an Isoleucine (Ile) at this position, raising the possibility that this change at this position may be toler ated. Additional computational prediction tools do not provide strong support fo r or against an impact to the protein. In summary, the clinical significance of the p.Thr516Ile variant is uncertain. -

not provided

Uncertain:1

Aug 21, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

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. 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"). ClinVar contains an entry for this variant (Variation ID: 228560). This variant has not been reported in the literature in individuals affected with WHRN-related conditions. This variant is present in population databases (rs756090687, gnomAD 0.003%). This sequence change replaces threonine, which is neutral and polar, with isoleucine, which is neutral and non-polar, at codon 516 of the WHRN protein (p.Thr516Ile). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.44

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.16

.;.;T

Eigen

Uncertain

0.53

Eigen_PC

Uncertain

0.57

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Benign

0.82

T;T;T

M_CAP

Benign

0.0095

MetaRNN

Benign

0.27

T;T;T

MetaSVM

Benign

-1.2

MutationAssessor

Uncertain

2.3

.;.;M

PhyloP100

5.8

PrimateAI

Benign

0.48

PROVEAN

Benign

-1.7

N;N;N

REVEL

Benign

0.070

Sift

Uncertain

0.0040

D;D;D

Sift4G

Uncertain

0.051

T;D;D

Polyphen

0.92, 0.87

.;P;P

Vest4

0.24

MutPred

0.22

.;.;Loss of phosphorylation at T516 (P = 0.0065);

MVP

0.49

MPC

0.22

ClinPred

0.73

GERP RS

5.3

Varity_R

0.12

gMVP

0.39

Mutation Taster

=65/35

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Publications

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rs756090687

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over