ENST00000513995.1:n.160A>G

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The ENST00000513995.1(DOK7):n.160A>G variant causes a non coding transcript exon change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0221 in 1,549,666 control chromosomes in the GnomAD database, including 689 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.021 ( 77 hom., cov: 34)

Exomes 𝑓: 0.022 ( 612 hom. )

Consequence

DOK7
ENST00000513995.1 non_coding_transcript_exon

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -1.09

Publications

2 publications found

Variant links:

Genes affected

DOK7 (HGNC:26594): (docking protein 7) The protein encoded by this gene is essential for neuromuscular synaptogenesis. The protein functions in aneural activation of muscle-specific receptor kinase, which is required for postsynaptic differentiation, and in the subsequent clustering of the acetylcholine receptor in myotubes. This protein can also induce autophosphorylation of muscle-specific receptor kinase. Mutations in this gene are a cause of familial limb-girdle myasthenia autosomal recessive, which is also known as congenital myasthenic syndrome type 1B. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2009]

DOK7 Gene-Disease associations (from GenCC):

congenital myasthenic syndrome 10
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), PanelApp Australia
fetal akinesia deformation sequence 3
Inheritance: AR Classification: STRONG, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
fetal akinesia deformation sequence 1
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
postsynaptic congenital myasthenic syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

DOK7 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.81).

BP6

Variant 4-3485508-A-G is Benign according to our data. Variant chr4-3485508-A-G is described in ClinVar as Benign. ClinVar VariationId is 262879.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.0208 (3159/152234) while in subpopulation NFE AF = 0.0251 (1705/67992). AF 95% confidence interval is 0.0241. There are 77 homozygotes in GnomAd4. There are 1736 alleles in the male GnomAd4 subpopulation. Median coverage is 34. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 77 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DOK7	NM_173660.5 link	c.533-31A>G		intron_variant	Intron 4 of 6	ENST00000340083.6	NP_775931.3	Q18PE1-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DOK7	ENST00000340083.6 link	c.533-31A>G		intron_variant	Intron 4 of 6	1	NM_173660.5	ENSP00000344432.5		Q18PE1-1

Frequencies

GnomAD3 genomes

AF:

0.0208

AC:

3161

AN:

152116

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00323

Gnomad AMI

AF:

0.0439

Gnomad AMR

AF:

0.0112

Gnomad ASJ

AF:

0.00173

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00352

Gnomad FIN

AF:

0.0996

Gnomad MID

AF:

0.00949

Gnomad NFE

AF:

0.0251

Gnomad OTH

AF:

0.0124

GnomAD2 exomes

AF:

0.0229

AC:

5060

AN:

220642

AF XY:

0.0226

show subpopulations

Gnomad AFR exome

AF:

0.00286

Gnomad AMR exome

AF:

0.00561

Gnomad ASJ exome

AF:

0.00284

Gnomad EAS exome

AF:

0.0000688

Gnomad FIN exome

AF:

0.102

Gnomad NFE exome

AF:

0.0243

Gnomad OTH exome

AF:

0.0237

GnomAD4 exome

AF:

0.0223

AC:

31111

AN:

1397432

Hom.:

612

Cov.:

AF XY:

0.0219

AC XY:

15115

AN XY:

690442

show subpopulations

African (AFR)

AF:

0.00254

AC:

AN:

30744

American (AMR)

AF:

0.00633

AC:

250

AN:

39472

Ashkenazi Jewish (ASJ)

AF:

0.00273

AC:

AN:

24526

East Asian (EAS)

AF:

0.00

AC:

AN:

35828

South Asian (SAS)

AF:

0.00462

AC:

363

AN:

78608

European-Finnish (FIN)

AF:

0.100

AC:

5151

AN:

51290

Middle Eastern (MID)

AF:

0.00398

AC:

AN:

5528

European-Non Finnish (NFE)

AF:

0.0225

AC:

24170

AN:

1074212

Other (OTH)

AF:

0.0176

AC:

1010

AN:

57224

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.463

Heterozygous variant carriers

1527

3053

4580

6106

7633

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

874

1748

2622

3496

4370

<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:

0.0208

AC:

3159

AN:

152234

Hom.:

Cov.:

AF XY:

0.0233

AC XY:

1736

AN XY:

74444

show subpopulations

African (AFR)

AF:

0.00322

AC:

134

AN:

41552

American (AMR)

AF:

0.0112

AC:

171

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00173

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5154

South Asian (SAS)

AF:

0.00353

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.0996

AC:

1058

AN:

10620

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0251

AC:

1705

AN:

67992

Other (OTH)

AF:

0.0123

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

Heterozygous variant carriers

144

288

431

575

719

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

114

152

190

<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:

0.0158

Hom.:

Bravo

AF:

0.0137

Asia WGS

AF:

0.00202

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:3

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Aug 15, 2018

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Breakthrough Genomics, Breakthrough Genomics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

not specified

Benign:1

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.81

CADD

Benign

2.6

(source)

DANN

Benign

0.80

PhyloP100

-1.1

Mutation Taster

=100/0

polymorphism (auto)

(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

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over