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rs141732576

Positions:

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 2P and 13B. PM2BP4_StrongBP6_Very_StrongBP7

The NM_173660.5(DOK7):​c.822C>T​(p.Asp274=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000026 in 1,612,588 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 34)
Exomes 𝑓: 0.000024 ( 0 hom. )

Consequence

DOK7
NM_173660.5 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.409
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.54).
BP6
Variant 4-3492808-C-T is Benign according to our data. Variant chr4-3492808-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 262890.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-0.409 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DOK7NM_173660.5 linkuse as main transcriptc.822C>T p.Asp274= synonymous_variant 7/7 ENST00000340083.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DOK7ENST00000340083.6 linkuse as main transcriptc.822C>T p.Asp274= synonymous_variant 7/71 NM_173660.5 P1Q18PE1-1

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152184
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.000145
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000404
AC:
10
AN:
247688
Hom.:
0
AF XY:
0.0000446
AC XY:
6
AN XY:
134670
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000545
Gnomad SAS exome
AF:
0.0000980
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000542
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000240
AC:
35
AN:
1460404
Hom.:
0
Cov.:
98
AF XY:
0.0000289
AC XY:
21
AN XY:
726516
show subpopulations
Gnomad4 AFR exome
AF:
0.0000597
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000696
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000234
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152184
Hom.:
0
Cov.:
34
AF XY:
0.0000404
AC XY:
3
AN XY:
74334
show subpopulations
Gnomad4 AFR
AF:
0.000145
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000386
Hom.:
0
Bravo
AF:
0.0000302
EpiCase
AF:
0.0000545
EpiControl
AF:
0.000178

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
Fetal akinesia deformation sequence 1;C1850792:Congenital myasthenic syndrome 10 Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeOct 22, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.54
CADD
Benign
2.9
DANN
Benign
0.87

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: rs141732576; hg19: chr4-3494535; COSMIC: COSV60774276; API