Genetic Variant OTOGL:p.His1312Arg (chr12-80320554-A-G) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_001378609.3(OTOGL):c.3935A>G(p.His1312Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000547 in 1,461,336 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. H1312Y) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

OTOGL
NM_001378609.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.65

Publications

1 publications found

Variant links:

Genes affected

OTOGL (HGNC:26901): (otogelin like) The protein encoded by this gene belongs to the otogelin family. This gene is expressed in the inner ear of vertebrates with the highest level of expression seen at the embryonic stage and lowest in adult. Knockdown studies in zebrafish suggest that this gene is essential for normal inner ear function. Mutations in this gene are associated with autosomal recessive deafness. [provided by RefSeq, Dec 2012]

OTOGL Gene-Disease associations (from GenCC):

autosomal recessive nonsyndromic hearing loss 84B
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, G2P, Labcorp Genetics (formerly Invitae), PanelApp Australia
nonsyndromic genetic hearing loss
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

OTOGL links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.862

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
OTOGL	NM_001378609.3 link	c.3935A>G	p.His1312Arg	missense_variant	Exon 34 of 59	ENST00000547103.7	NP_001365538.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
OTOGL	ENST00000547103.7 link	c.3935A>G	p.His1312Arg	missense_variant	Exon 34 of 59	5	NM_001378609.3	ENSP00000447211.2
OTOGL	ENST00000646859.1 link	c.3800A>G	p.His1267Arg	missense_variant	Exon 38 of 63			ENSP00000496036.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000203

AC:

AN:

246100

AF XY:

0.0000150

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000146

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000547

AC:

AN:

1461336

Hom.:

Cov.:

AF XY:

0.00000550

AC XY:

AN XY:

726922

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.000112

AC:

AN:

44626

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26118

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86232

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53368

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1111716

Other (OTH)

AF:

0.00

AC:

AN:

60354

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

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

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ExAC

AF:

0.00000828

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.31

BayesDel_addAF

Benign

-0.056

BayesDel_noAF

Uncertain

-0.060

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0

.;.;.

Eigen

Uncertain

0.44

Eigen_PC

Uncertain

0.54

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.83

T;.;T

M_CAP

Benign

0.048

MetaRNN

Pathogenic

0.86

D;D;D

MetaSVM

Benign

-1.2

MutationAssessor

Benign

0.0

.;.;.

PhyloP100

8.7

PrimateAI

Uncertain

0.53

PROVEAN

Benign

0.0

.;.;D

REVEL

Benign

0.0

Sift

Pathogenic

0.0

.;.;T

Sift4G

Pathogenic

0.0

.;.;T

Vest4

0.0

ClinPred

0.80

GERP RS

5.5

gMVP

0.84

Mutation Taster

=59/41

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over