chr16-21709924-C-G

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_144672.4(OTOA):c.1141C>G(p.Gln381Glu) variant causes a missense change. The variant allele was found at a frequency of 0.00203 in 1,614,030 control chromosomes in the GnomAD database, including 78 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0012 ( 5 hom., cov: 32)

Exomes 𝑓: 0.0021 ( 73 hom. )

Consequence

OTOA
NM_144672.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts P:1B:4

Conservation

PhyloP100: 4.07

Publications

4 publications found

Variant links:

Genes affected

OTOA (HGNC:16378): (otoancorin) The protein encoded by this gene is specifically expressed in the inner ear, and is located at the interface between the apical surface of the inner ear sensory epithelia and their overlying acellular gels. It is prposed that this protein is involved in the attachment of the inner ear acellular gels to the apical surface of the underlying nonsensory cells. Mutations in this gene are associated with autosomal recessive deafness type 22 (DFNB22). Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2009]

OTOA Gene-Disease associations (from GenCC):

autosomal recessive nonsyndromic hearing loss 22
Inheritance: AR Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Laboratory for Molecular Medicine, G2P, PanelApp Australia, Labcorp Genetics (formerly Invitae)
nonsyndromic genetic hearing loss
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

OTOA links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0036770701).

BP6

Variant 16-21709924-C-G is Benign according to our data. Variant chr16-21709924-C-G is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 178846.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population sas. GnomAd4 allele frequency = 0.00119 (181/152220) while in subpopulation SAS AF = 0.0361 (174/4822). AF 95% confidence interval is 0.0317. There are 5 homozygotes in GnomAd4. There are 128 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 5 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
OTOA	NM_144672.4 link	c.1141C>G	p.Gln381Glu	missense_variant	Exon 13 of 29	ENST00000646100.2	NP_653273.3	Q05BM7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
OTOA	ENST00000646100.2 link	c.1141C>G	p.Gln381Glu	missense_variant	Exon 13 of 29		NM_144672.4	ENSP00000496564.2		Q7RTW8-5

Frequencies

GnomAD3 genomes

AF:

0.00120

AC:

183

AN:

152102

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000725

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000192

Gnomad SAS

AF:

0.0365

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.00424

AC:

1066

AN:

251360

AF XY:

0.00584

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000264

Gnomad OTH exome

AF:

0.00114

GnomAD4 exome

AF:

0.00211

AC:

3088

AN:

1461810

Hom.:

Cov.:

AF XY:

0.00314

AC XY:

2287

AN XY:

727212

show subpopulations

African (AFR)

AF:

0.000119

AC:

AN:

33480

American (AMR)

AF:

0.0000671

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000504

AC:

AN:

39700

South Asian (SAS)

AF:

0.0340

AC:

2932

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.000867

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000126

AC:

AN:

1111944

Other (OTH)

AF:

0.00212

AC:

128

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

227

454

682

909

1136

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

120

160

200

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00119

AC:

181

AN:

152220

Hom.:

Cov.:

AF XY:

0.00172

AC XY:

128

AN XY:

74436

show subpopulations

African (AFR)

AF:

0.0000723

AC:

AN:

41520

American (AMR)

AF:

0.00

AC:

AN:

15278

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000193

AC:

AN:

5186

South Asian (SAS)

AF:

0.0361

AC:

174

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10614

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68012

Other (OTH)

AF:

0.000473

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.509

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000128

Hom.:

Bravo

AF:

0.000215

ExAC

AF:

0.00468

AC:

568

Asia WGS

AF:

0.0120

AC:

AN:

3478

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

ClinVar

Significance: Benign/Likely benign

Submissions summary: Pathogenic:1Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:2

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Nov 23, 2015

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

p.Gln381Glu in exon 12 of OTOA: This variant is not expected to have clinical si gnificance because it has been identified in 3.4% (558/16510) of South Asian chr omosomes by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute. org; dbSNP rs377581131). -

not provided

Benign:2

Sep 30, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Nov 19, 2018

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 23173898) -

Usher syndrome

Pathogenic:1

Dec 31, 2022

SN ONGC Dept of Genetics and Molecular biology Vision Research Foundation

Significance:Likely pathogenic

Review Status:flagged submission

Collection Method:research

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.085

BayesDel_addAF

Benign

-0.38

BayesDel_noAF

Benign

-0.30

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.18

.;T;.;.;.

Eigen

Uncertain

0.33

Eigen_PC

Uncertain

0.39

FATHMM_MKL

Uncertain

0.91

LIST_S2

Uncertain

0.91

.;D;D;D;D

MetaRNN

Benign

0.0037

T;T;T;T;T

MetaSVM

Benign

-0.35

MutationAssessor

Benign

2.0

.;M;.;.;.

PhyloP100

4.1

PrimateAI

Benign

0.40

PROVEAN

Benign

-0.93

.;N;N;N;N

REVEL

Benign

0.055

Sift

Uncertain

0.027

.;D;D;D;D

Sift4G

Pathogenic

0.0

.;D;D;D;D

Polyphen

0.87, 0.63

.;P;.;.;P

Vest4

0.36, 0.36, 0.35, 0.43

MutPred

0.23

.;Gain of helix (P = 0.0696);.;.;.;

MVP

0.54

MPC

0.46

ClinPred

0.044

GERP RS

5.2

Varity_R

0.19

gMVP

0.20

Mutation Taster

=93/7

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

Details are displayed if max score is > 0.2

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

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over