Genetic Variant OTOG:p.Pro17His (chr11-17547422-C-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001292063.2(OTOG):c.50C>A(p.Pro17His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P17L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

OTOG
NM_001292063.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.912

Publications

0 publications found

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 Gene-Disease associations (from GenCC):

autosomal recessive nonsyndromic hearing loss 18B
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Laboratory for Molecular Medicine, Ambry Genetics
nonsyndromic genetic hearing loss
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

OTOG links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.107962996).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
OTOG	NM_001292063.2 link	c.50C>A	p.Pro17His	missense_variant	Exon 1 of 56	ENST00000399397.6	NP_001278992.1	H9KVB3
OTOG	NM_001277269.2 link	c.50C>A	p.Pro17His	missense_variant	Exon 1 of 55		NP_001264198.1	Q6ZRI0-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
OTOG	ENST00000399397.6 link	c.50C>A	p.Pro17His	missense_variant	Exon 1 of 56	5	NM_001292063.2	ENSP00000382329.2		H9KVB3
OTOG	ENST00000399391.7 link	c.50C>A	p.Pro17His	missense_variant	Exon 1 of 55	5		ENSP00000382323.2		Q6ZRI0-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1259546

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

616398

African (AFR)

AF:

0.00

AC:

AN:

25702

American (AMR)

AF:

0.00

AC:

AN:

20372

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19692

East Asian (EAS)

AF:

0.00

AC:

AN:

29102

South Asian (SAS)

AF:

0.00

AC:

AN:

59656

European-Finnish (FIN)

AF:

0.00

AC:

AN:

29180

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4888

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1019120

Other (OTH)

AF:

0.00

AC:

AN:

51834

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Benign

-0.26

BayesDel_noAF

Benign

-0.61

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.035

T;.

Eigen

Benign

-0.52

Eigen_PC

Benign

-0.67

FATHMM_MKL

Benign

0.19

LIST_S2

Benign

0.54

T;T

M_CAP

Benign

0.054

MetaRNN

Benign

0.11

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.0

L;.

PhyloP100

0.91

PrimateAI

Benign

0.42

PROVEAN

Benign

-1.7

N;.

REVEL

Benign

0.026

Sift

Uncertain

0.0050

D;.

Sift4G

Uncertain

0.010

D;D

Vest4

0.14

MutPred

0.28

Gain of MoRF binding (P = 0.0542);Gain of MoRF binding (P = 0.0542);

MVP

0.21

ClinPred

0.16

GERP RS

1.3

PromoterAI

0.0086

Neutral

(source)

Varity_R

0.094

gMVP

0.14

Mutation Taster

=89/11

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.090

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over