rs2272070

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_ModerateBP6BS1

The NM_194248.3(OTOF):​c.2452C>T​(p.Arg818Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00014 in 1,609,026 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R818Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00015 ( 1 hom. )

Consequence

OTOF
NM_194248.3 missense

Scores

2
10
6

Clinical Significance

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

Conservation

PhyloP100: 2.41

Publications

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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.13580579).
BP6
Variant 2-26477243-G-A is Benign according to our data. Variant chr2-26477243-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 48198.
BS1
Variant frequency is greater than expected in population eas. GnomAdExome4 allele frequency = 0.000148 (215/1456726) while in subpopulation EAS AF = 0.00409 (162/39632). AF 95% confidence interval is 0.00357. There are 1 homozygotes in GnomAdExome4. There are 116 alleles in the male GnomAdExome4 subpopulation. Median coverage is 33. This position passed quality control check.

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

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
OTOF
NM_194248.3
MANE Select
c.2452C>Tp.Arg818Trp
missense
Exon 21 of 47NP_919224.1
OTOF
NM_194323.3
MANE Plus Clinical
c.211C>Tp.Arg71Trp
missense
Exon 4 of 29NP_919304.1
OTOF
NM_001287489.2
c.2452C>Tp.Arg818Trp
missense
Exon 21 of 46NP_001274418.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
OTOF
ENST00000272371.7
TSL:1 MANE Select
c.2452C>Tp.Arg818Trp
missense
Exon 21 of 47ENSP00000272371.2
OTOF
ENST00000339598.8
TSL:1 MANE Plus Clinical
c.211C>Tp.Arg71Trp
missense
Exon 4 of 29ENSP00000344521.3
OTOF
ENST00000402415.8
TSL:1
c.211C>Tp.Arg71Trp
missense
Exon 3 of 29ENSP00000383906.4

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152182
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000963
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000282
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000112
AC:
27
AN:
240906
AF XY:
0.000137
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000590
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00105
Gnomad FIN exome
AF:
0.0000505
Gnomad NFE exome
AF:
0.0000459
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000148
AC:
215
AN:
1456726
Hom.:
1
Cov.:
33
AF XY:
0.000160
AC XY:
116
AN XY:
724324
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33460
American (AMR)
AF:
0.0000676
AC:
3
AN:
44386
Ashkenazi Jewish (ASJ)
AF:
0.0000385
AC:
1
AN:
26006
East Asian (EAS)
AF:
0.00409
AC:
162
AN:
39632
South Asian (SAS)
AF:
0.0000351
AC:
3
AN:
85426
European-Finnish (FIN)
AF:
0.0000787
AC:
4
AN:
50812
Middle Eastern (MID)
AF:
0.000174
AC:
1
AN:
5758
European-Non Finnish (NFE)
AF:
0.0000333
AC:
37
AN:
1110982
Other (OTH)
AF:
0.0000664
AC:
4
AN:
60264
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.485
Heterozygous variant carriers
0
15
30
45
60
75
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<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:
0.0000722
AC:
11
AN:
152300
Hom.:
0
Cov.:
32
AF XY:
0.0000671
AC XY:
5
AN XY:
74474
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41566
American (AMR)
AF:
0.00
AC:
0
AN:
15312
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000966
AC:
5
AN:
5178
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.000282
AC:
3
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000441
AC:
3
AN:
68004
Other (OTH)
AF:
0.00
AC:
0
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.0000658
Hom.:
0
Bravo
AF:
0.0000340
ExAC
AF:
0.000141
AC:
17
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

ClinVar

ClinVar submissions as Germline

Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
1
not provided (2)
-
-
1
Autosomal recessive nonsyndromic hearing loss 9 (1)
-
-
1
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.20
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.11
CADD
Uncertain
24
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.51
D
Eigen
Uncertain
0.23
Eigen_PC
Benign
0.20
FATHMM_MKL
Uncertain
0.82
D
LIST_S2
Uncertain
0.95
D
M_CAP
Uncertain
0.11
D
MetaRNN
Benign
0.14
T
MetaSVM
Uncertain
0.29
D
MutationAssessor
Benign
1.9
L
PhyloP100
2.4
PrimateAI
Uncertain
0.68
T
PROVEAN
Pathogenic
-5.0
D
REVEL
Uncertain
0.48
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0020
D
Polyphen
1.0
D
Vest4
0.48
MVP
0.93
MPC
0.34
ClinPred
0.22
T
GERP RS
1.5
Varity_R
0.48
gMVP
0.47
Mutation Taster
=83/17
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs2272070; hg19: chr2-26700111; API