rs145419117

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS1

The NM_173660.5(DOK7):​c.1295G>A​(p.Arg432Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000394 in 1,610,348 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict 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. R432G) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0022 ( 1 hom., cov: 34)
Exomes 𝑓: 0.00020 ( 0 hom. )

Consequence

DOK7
NM_173660.5 missense

Scores

1
18

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.510

Publications

0 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0047796965).
BP6
Variant 4-3493281-G-A is Benign according to our data. Variant chr4-3493281-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 285096.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00222 (338/152344) while in subpopulation AFR AF = 0.00745 (310/41584). AF 95% confidence interval is 0.00677. There are 1 homozygotes in GnomAd4. There are 172 alleles in the male GnomAd4 subpopulation. Median coverage is 34. This position passed quality control check.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DOK7NM_173660.5 linkc.1295G>A p.Arg432Lys missense_variant Exon 7 of 7 ENST00000340083.6 NP_775931.3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DOK7ENST00000340083.6 linkc.1295G>A p.Arg432Lys missense_variant Exon 7 of 7 1 NM_173660.5 ENSP00000344432.5
DOK7ENST00000643608.1 linkc.863G>A p.Arg288Lys missense_variant Exon 5 of 8 ENSP00000495701.1
DOK7ENST00000515886.5 linkc.365G>A p.Arg122Lys missense_variant Exon 4 of 4 2 ENSP00000492194.1
DOK7ENST00000507039.5 linkc.*516G>A 3_prime_UTR_variant Exon 7 of 7 2 ENSP00000423614.1

Frequencies

GnomAD3 genomes
AF:
0.00219
AC:
334
AN:
152226
Hom.:
1
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.00738
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00164
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:
0.00
Gnomad OTH
AF:
0.00143
GnomAD2 exomes
AF:
0.000552
AC:
128
AN:
231690
AF XY:
0.000423
show subpopulations
Gnomad AFR exome
AF:
0.00772
Gnomad AMR exome
AF:
0.000531
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000991
Gnomad OTH exome
AF:
0.000351
GnomAD4 exome
AF:
0.000203
AC:
296
AN:
1458004
Hom.:
0
Cov.:
95
AF XY:
0.000178
AC XY:
129
AN XY:
725136
show subpopulations
African (AFR)
AF:
0.00736
AC:
246
AN:
33418
American (AMR)
AF:
0.000404
AC:
18
AN:
44522
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26014
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39584
South Asian (SAS)
AF:
0.00
AC:
0
AN:
85948
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
51594
Middle Eastern (MID)
AF:
0.000173
AC:
1
AN:
5764
European-Non Finnish (NFE)
AF:
0.00000270
AC:
3
AN:
1110958
Other (OTH)
AF:
0.000465
AC:
28
AN:
60202
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.497
Heterozygous variant carriers
0
22
44
67
89
111
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<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:
0.00222
AC:
338
AN:
152344
Hom.:
1
Cov.:
34
AF XY:
0.00231
AC XY:
172
AN XY:
74498
show subpopulations
African (AFR)
AF:
0.00745
AC:
310
AN:
41584
American (AMR)
AF:
0.00163
AC:
25
AN:
15310
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10632
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68020
Other (OTH)
AF:
0.00142
AC:
3
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
15
30
44
59
74
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome 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
Alfa
AF:
0.000326
Hom.:
0
Bravo
AF:
0.00251
ESP6500AA
AF:
0.00733
AC:
32
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000675
AC:
81
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Mar 06, 2020
GeneDx
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Benign:1
Dec 24, 2015
Eurofins Ntd Llc (ga)
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Fetal akinesia deformation sequence 1;C1850792:Congenital myasthenic syndrome 10 Benign:1
Jan 28, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.088
BayesDel_addAF
Benign
-0.58
T
BayesDel_noAF
Benign
-0.61
CADD
Benign
5.2
DANN
Benign
0.38
DEOGEN2
Benign
0.018
T;.;.
Eigen
Benign
-1.3
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.018
N
LIST_S2
Benign
0.28
T;T;T
M_CAP
Benign
0.014
T
MetaRNN
Benign
0.0048
T;T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
-0.55
N;.;.
PhyloP100
0.51
PrimateAI
Uncertain
0.52
T
PROVEAN
Benign
0.19
N;.;.
REVEL
Benign
0.075
Sift
Benign
1.0
T;.;.
Sift4G
Benign
1.0
T;.;.
Polyphen
0.0
B;.;.
Vest4
0.032
MVP
0.36
MPC
0.0045
ClinPred
0.0047
T
GERP RS
0.73
Varity_R
0.060
gMVP
0.13
Mutation Taster
=100/0
polymorphism

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

Other links and lift over

dbSNP: rs145419117; hg19: chr4-3495008; API