Genetic Variant NM_001292063.2:c.94+17C>G (chr11-17547483-C-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001292063.2(OTOG):c.94+17C>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000839 in 1,192,260 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 8.4e-7 ( 0 hom. )

Consequence

OTOG
NM_001292063.2 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.483

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: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.061745644).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
OTOG	NM_001292063.2 link	c.94+17C>G		intron_variant	Intron 1 of 55	ENST00000399397.6	NP_001278992.1	H9KVB3
OTOG	NM_001277269.2 link	c.111C>G	p.Asp37Glu	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.94+17C>G		intron_variant	Intron 1 of 55	5	NM_001292063.2	ENSP00000382329.2		H9KVB3
OTOG	ENST00000399391.7 link	c.111C>G	p.Asp37Glu	missense_variant	Exon 1 of 55	5		ENSP00000382323.2		Q6ZRI0-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

8.39e-7

AC:

AN:

1192260

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

575048

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

24180

American (AMR)

AF:

0.00

AC:

AN:

13512

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

16662

East Asian (EAS)

AF:

0.00

AC:

AN:

27968

South Asian (SAS)

AF:

0.00

AC:

AN:

47958

European-Finnish (FIN)

AF:

0.00

AC:

AN:

26406

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4888

European-Non Finnish (NFE)

AF:

0.00000102

AC:

AN:

981816

Other (OTH)

AF:

0.00

AC:

AN:

48870

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.092

BayesDel_addAF

Benign

-0.38

BayesDel_noAF

Benign

-0.78

CADD

Benign

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.023

Eigen

Benign

-0.45

Eigen_PC

Benign

-0.47

FATHMM_MKL

Benign

0.14

LIST_S2

Benign

0.24

M_CAP

Benign

0.039

MetaRNN

Benign

0.062

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.46

PhyloP100

0.48

PrimateAI

Benign

0.44

PROVEAN

Benign

-0.14

REVEL

Benign

0.12

Sift

Benign

0.57

Sift4G

Benign

1.0

Vest4

0.051

MutPred

0.15

Gain of methylation at R40 (P = 0.0794);

MVP

0.061

ClinPred

0.10

GERP RS

4.2

PromoterAI

-0.012

Neutral

(source)

Varity_R

0.092

gMVP

0.025

Mutation Taster

=96/4

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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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