rs572886375

Positions:

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBP6

The NM_001292063.2(OTOG):c.6667G>A(p.Val2223Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000626 in 1,550,580 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000062 ( 0 hom. )

Consequence

OTOG
NM_001292063.2 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:2

Conservation

PhyloP100: 0.248

Variant links:

Genes affected

OTOG (HGNC:8516): (otogelin) The protein encoded by this gene is a component of the acellular membranes of the inner ear. Disruption of the orthologous mouse gene shows that it plays a role in auditory and vestibular functions. It is involved in fibrillar network organization, the anchoring of otoconial membranes and cupulae to the neuroepithelia, and likely in sound stimulation resistance. Mutations in this gene cause autosomal recessive nonsyndromic deafness, type 18B. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, May 2014]

OTOG links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.019629031).

BP6

Variant 11-17629271-G-A is Benign according to our data. Variant chr11-17629271-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 227790.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2}.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
OTOG	NM_001292063.2 linkuse as main transcript	c.6667G>A	p.Val2223Met	missense_variant	40/56	ENST00000399397.6	NP_001278992.1
OTOG	NM_001277269.2 linkuse as main transcript	c.6703G>A	p.Val2235Met	missense_variant	39/55		NP_001264198.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
OTOG	ENST00000399397.6 linkuse as main transcript	c.6667G>A	p.Val2223Met	missense_variant	40/56	5	NM_001292063.2	ENSP00000382329	P2
OTOG	ENST00000399391.7 linkuse as main transcript	c.6703G>A	p.Val2235Met	missense_variant	39/55	5		ENSP00000382323	A2	Q6ZRI0-1
OTOG	ENST00000342528.2 linkuse as main transcript	n.4005G>A		non_coding_transcript_exon_variant	16/22	2

Frequencies

GnomAD3 genomes

AF:

0.0000657

AC:

AN:

152242

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000169

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

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

GnomAD3 exomes

AF:

0.000357

AC:

AN:

148440

Hom.:

AF XY:

0.000275

AC XY:

AN XY:

80000

show subpopulations

Gnomad AFR exome

AF:

0.000444

Gnomad AMR exome

AF:

0.00191

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000444

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000365

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000622

AC:

AN:

1398220

Hom.:

Cov.:

AF XY:

0.0000493

AC XY:

AN XY:

689628

show subpopulations

Gnomad4 AFR exome

AF:

0.000190

Gnomad4 AMR exome

AF:

0.00162

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000560

Gnomad4 SAS exome

AF:

0.0000252

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000167

Gnomad4 OTH exome

AF:

0.0000172

GnomAD4 genome

AF:

0.0000656

AC:

AN:

152360

Hom.:

Cov.:

AF XY:

0.0000805

AC XY:

AN XY:

74504

show subpopulations

Gnomad4 AFR

AF:

0.000168

Gnomad4 AMR

AF:

0.000196

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

Alfa

AF:

0.0000283

Hom.:

Bravo

AF:

0.000162

ExAC

AF:

0.0000463

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:2

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Dec 08, 2016	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Oct 24, 2022	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 output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The methionine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 227790). This variant has not been reported in the literature in individuals affected with OTOG-related conditions. This variant is present in population databases (rs572886375, gnomAD 0.2%). This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 2235 of the OTOG protein (p.Val2235Met). -

not specified

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Feb 02, 2016

p.Val2235Met in exon 39 of OTOG: This variant is not expected to have clinical s ignificance due to a lack of conservation across species, including mammals. Of note, 5 mammals (orangutan, rhesus, crab-eating macaque, baboon and green monkey ) have a methionine (Met) at this position despite high nearby amino acid conser vation. In addition, computational prediction tools do not suggest a high likeli hood of impact to the protein. -

OTOG-related disorder

Benign:1

Likely benign, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Jul 17, 2024

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.083

BayesDel_addAF

Benign

-0.56

BayesDel_noAF

Benign

-0.59

CADD

Benign

DANN

Benign

0.91

DEOGEN2

Benign

0.037

T;.

Eigen

Benign

-1.0

Eigen_PC

Benign

-0.88

FATHMM_MKL

Benign

0.32

LIST_S2

Benign

0.65

T;T

M_CAP

Benign

0.028

MetaRNN

Benign

0.020

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.34

N;.

MutationTaster

Benign

1.0

N;N;N

PrimateAI

Benign

0.30

PROVEAN

Benign

-1.1

N;.

REVEL

Benign

0.098

Sift

Benign

0.10

T;.

Sift4G

Benign

0.16

T;T

Vest4

0.17

MutPred

0.61

Loss of catalytic residue at V2235 (P = 0.0281);.;

MVP

0.17

ClinPred

0.017

GERP RS

-0.18

Varity_R

0.039

gMVP

0.31

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.13

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