dbSNP rs200010052: OTOF:c.509+11G>A (chr2-26516407-C-T) – ACMG Classification: Benign (-9 pts)

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP6BS1BS2

The NM_194248.3(OTOF):c.509+11G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000353 in 1,612,540 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0018 ( 2 hom., cov: 32)

Exomes 𝑓: 0.00020 ( 1 hom. )

Consequence

OTOF
NM_194248.3 intron

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:3

Conservation

PhyloP100: -0.0120

Publications

0 publications found

Variant links:

Genes affected

OTOF (HGNC:8515): (otoferlin) Mutations in this gene are a cause of neurosensory nonsyndromic recessive deafness, DFNB9. The short form of the encoded protein has 3 C2 domains, a single carboxy-terminal transmembrane domain found also in the C. elegans spermatogenesis factor FER-1 and human dysferlin, while the long form has 6 C2 domains. The homology suggests that this protein may be involved in vesicle membrane fusion. Several transcript variants encoding multiple isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

OTOF Gene-Disease associations (from GenCC):

autosomal recessive nonsyndromic hearing loss 9
Inheritance: AR, Unknown Classification: DEFINITIVE, STRONG Submitted by: G2P, ClinGen, Labcorp Genetics (formerly Invitae)
hearing loss, autosomal recessive
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

OTOF links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP6

Variant 2-26516407-C-T is Benign according to our data. Variant chr2-26516407-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 48250.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00181 (275/152328) while in subpopulation AFR AF = 0.00637 (265/41570). AF 95% confidence interval is 0.00574. There are 2 homozygotes in GnomAd4. There are 139 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_194248.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OTOF	NM_194248.3	MANE Select	c.509+11G>A		intron	N/A	NP_919224.1	Q9HC10-1
	OTOF	NM_001287489.2		c.509+11G>A		intron	N/A	NP_001274418.1	Q9HC10-5

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OTOF	ENST00000272371.7	TSL:1 MANE Select	c.509+11G>A		intron	N/A	ENSP00000272371.2	Q9HC10-1
	OTOF	ENST00000403946.7	TSL:5	c.509+11G>A		intron	N/A	ENSP00000385255.3	Q9HC10-5

Frequencies

GnomAD3 genomes

AF:

0.00180

AC:

274

AN:

152210

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00637

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

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:

0.0000441

Gnomad OTH

AF:

0.00143

GnomAD2 exomes

AF:

0.000456

AC:

114

AN:

250184

AF XY:

0.000340

show subpopulations

Gnomad AFR exome

AF:

0.00680

Gnomad AMR exome

AF:

0.0000869

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:

0.000164

GnomAD4 exome

AF:

0.000202

AC:

295

AN:

1460212

Hom.:

Cov.:

AF XY:

0.000175

AC XY:

127

AN XY:

726286

show subpopulations

African (AFR)

AF:

0.00778

AC:

260

AN:

33426

American (AMR)

AF:

0.000179

AC:

AN:

44680

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26030

East Asian (EAS)

AF:

0.00

AC:

AN:

39684

South Asian (SAS)

AF:

0.00

AC:

AN:

86148

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53246

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5748

European-Non Finnish (NFE)

AF:

0.0000126

AC:

AN:

1110932

Other (OTH)

AF:

0.000216

AC:

AN:

60318

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome 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

GnomAD4 genome

AF:

0.00181

AC:

275

AN:

152328

Hom.:

Cov.:

AF XY:

0.00187

AC XY:

139

AN XY:

74484

show subpopulations

African (AFR)

AF:

0.00637

AC:

265

AN:

41570

American (AMR)

AF:

0.000261

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68022

Other (OTH)

AF:

0.00142

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.506

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.000763

Hom.:

Bravo

AF:

0.00184

Asia WGS

AF:

0.000866

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

Autosomal recessive nonsyndromic hearing loss 9 (1)

not provided (1)

not specified (1)

OTOF-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.86

CADD

Benign

(source)

DANN

Benign

0.44

PhyloP100

-0.012

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.35

Details are displayed if max score is > 0.2

DS_DG_spliceai

0.35

Position offset: 4

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over