rs727504936

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_194248.3(OTOF):​c.2818C>T​(p.Gln940Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,774 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

OTOF
NM_194248.3 stop_gained

Scores

4
2
1

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 1.78
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 12 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 2-26476176-G-A is Pathogenic according to our data. Variant chr2-26476176-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 179539.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
OTOFNM_194248.3 linkuse as main transcriptc.2818C>T p.Gln940Ter stop_gained 23/47 ENST00000272371.7
OTOFNM_194323.3 linkuse as main transcriptc.577C>T p.Gln193Ter stop_gained 6/29 ENST00000339598.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
OTOFENST00000272371.7 linkuse as main transcriptc.2818C>T p.Gln940Ter stop_gained 23/471 NM_194248.3 A1Q9HC10-1
OTOFENST00000339598.8 linkuse as main transcriptc.577C>T p.Gln193Ter stop_gained 6/291 NM_194323.3 Q9HC10-2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000405
AC:
1
AN:
246898
Hom.:
0
AF XY:
0.00000745
AC XY:
1
AN XY:
134302
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000899
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.86e-7
AC:
1
AN:
1458774
Hom.:
0
Cov.:
33
AF XY:
0.00000138
AC XY:
1
AN XY:
725754
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Rare genetic deafness Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineJan 30, 2014The Gln940X variant in OTOF has not been previously reported in individuals with hearing loss or in large population studies. This nonsense variant leads to a p remature termination codon at position 940, which is predicted to lead to a trun cated or absent protein. In summary, this variant meets our criteria to be class ified as pathogenic (http://pcpgm.partners.org/LMM). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.60
D
BayesDel_noAF
Pathogenic
0.62
CADD
Pathogenic
38
DANN
Uncertain
1.0
Eigen
Pathogenic
0.83
Eigen_PC
Pathogenic
0.71
FATHMM_MKL
Uncertain
0.80
D
MutationTaster
Benign
1.0
A;A;A;A;A
Vest4
0.89
GERP RS
5.4

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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.

Other links and lift over

dbSNP: rs727504936; hg19: chr2-26699044; API