16-78099780-T-C

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PVS1_ModeratePM2PP5_Moderate

The NM_016373.4(WWOX):​c.2T>C​(p.Met1?) variant causes a start lost change. The variant allele was found at a frequency of 0.00000451 in 1,550,576 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 (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000043 ( 0 hom. )

Consequence

WWOX
NM_016373.4 start_lost

Scores

5
7
4

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 5.49
Variant links:
Genes affected
WWOX (HGNC:12799): (WW domain containing oxidoreductase) This gene encodes a member of the short-chain dehydrogenases/reductases (SDR) protein family. This gene spans the FRA16D common chromosomal fragile site and appears to function as a tumor suppressor gene. Expression of the encoded protein is able to induce apoptosis, while defects in this gene are associated with multiple types of cancer. Disruption of this gene is also associated with autosomal recessive spinocerebellar ataxia 12. Disruption of a similar gene in mouse results in impaired steroidogenesis, additionally suggesting a metabolic function for the protein. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2014]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PVS1
Start lost variant, next in-frame start position is after 1 pathogenic variants. Next in-frame start position is after 114 codons. Genomic position: 78115085. Lost 0.273 part of the original CDS.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 16-78099780-T-C is Pathogenic according to our data. Variant chr16-78099780-T-C is described in ClinVar as [Pathogenic]. Clinvar id is 1898392.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
WWOXNM_016373.4 linkc.2T>C p.Met1? start_lost Exon 1 of 9 ENST00000566780.6 NP_057457.1 Q9NZC7-1A0A411HBC7

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
WWOXENST00000566780.6 linkc.2T>C p.Met1? start_lost Exon 1 of 9 1 NM_016373.4 ENSP00000457230.1 Q9NZC7-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152146
Hom.:
0
Cov.:
33
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:
0.000194
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000191
AC:
3
AN:
156814
Hom.:
0
AF XY:
0.0000237
AC XY:
2
AN XY:
84466
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000279
Gnomad SAS 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:
0.00000429
AC:
6
AN:
1398430
Hom.:
0
Cov.:
31
AF XY:
0.00000290
AC XY:
2
AN XY:
690828
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000845
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000277
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152146
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74318
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000194
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
ExAC
AF:
0.0000172
AC:
2

ClinVar

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

Submissions by phenotype

Autosomal recessive spinocerebellar ataxia 12;C3463992:Developmental and epileptic encephalopathy, 1 Pathogenic:1
Dec 23, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change affects the initiator methionine of the WWOX mRNA. The next in-frame methionine is located at codon 114. This variant is present in population databases (rs758588684, gnomAD 0.03%). This variant has not been reported in the literature in individuals affected with WWOX-related conditions. ClinVar contains an entry for this variant (Variation ID: 1898392). This variant disrupts a region of the WWOX protein in which other variant(s) (p.Pro47Thr) have been determined to be pathogenic (PMID: 24369382). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.41
D
BayesDel_noAF
Pathogenic
0.37
CADD
Uncertain
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.19
T;T;.;.;T;.;.;.
Eigen
Uncertain
0.58
Eigen_PC
Uncertain
0.57
FATHMM_MKL
Benign
0.63
D
LIST_S2
Uncertain
0.90
D;D;D;D;D;D;D;D
M_CAP
Pathogenic
0.83
D
MetaRNN
Pathogenic
0.99
D;D;D;D;D;D;D;D
MetaSVM
Uncertain
0.51
D
PROVEAN
Benign
-1.5
N;.;N;N;N;D;N;N
REVEL
Uncertain
0.57
Sift
Uncertain
0.0030
D;.;D;D;D;D;D;D
Sift4G
Pathogenic
0.0
D;D;D;D;D;D;D;D
Polyphen
0.97
D;.;D;D;.;P;D;.
Vest4
0.83
MutPred
0.99
Gain of glycosylation at M1 (P = 0.0558);Gain of glycosylation at M1 (P = 0.0558);Gain of glycosylation at M1 (P = 0.0558);Gain of glycosylation at M1 (P = 0.0558);Gain of glycosylation at M1 (P = 0.0558);Gain of glycosylation at M1 (P = 0.0558);Gain of glycosylation at M1 (P = 0.0558);Gain of glycosylation at M1 (P = 0.0558);
MVP
0.97
ClinPred
0.99
D
GERP RS
5.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.90
gMVP
0.28

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs758588684; hg19: chr16-78133677; API