4-3493190-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_173660.5(DOK7):ā€‹c.1204C>Gā€‹(p.Arg402Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000197 in 152,224 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R402Q) has been classified as Likely benign.

Frequency

Genomes: š‘“ 0.000020 ( 0 hom., cov: 34)

Consequence

DOK7
NM_173660.5 missense

Scores

1
8
10

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.187
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 Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.36141598).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
DOK7NM_173660.5 linkuse as main transcriptc.1204C>G p.Arg402Gly missense_variant 7/7 ENST00000340083.6 NP_775931.3 Q18PE1-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DOK7ENST00000340083.6 linkuse as main transcriptc.1204C>G p.Arg402Gly missense_variant 7/71 NM_173660.5 ENSP00000344432.5 Q18PE1-1
DOK7ENST00000643608.1 linkuse as main transcriptc.772C>G p.Arg258Gly missense_variant 5/8 ENSP00000495701.1 A0A2R8Y701
DOK7ENST00000515886.5 linkuse as main transcriptc.274C>G p.Arg92Gly missense_variant 4/42 ENSP00000492194.1 A0A1W2PRA3
DOK7ENST00000507039.5 linkuse as main transcriptc.*425C>G 3_prime_UTR_variant 7/72 ENSP00000423614.1 Q18PE1-4

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152224
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000724
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000420
AC:
1
AN:
237910
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
130190
show subpopulations
Gnomad AFR exome
AF:
0.0000676
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
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
Cov.:
98
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152224
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
74362
show subpopulations
Gnomad4 AFR
AF:
0.0000724
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:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113
ExAC
AF:
0.00000829
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.034
T
BayesDel_noAF
Benign
-0.10
CADD
Benign
17
DANN
Benign
0.95
DEOGEN2
Uncertain
0.43
T;.;.
Eigen
Benign
-0.39
Eigen_PC
Benign
-0.62
FATHMM_MKL
Benign
0.19
N
LIST_S2
Uncertain
0.93
D;D;D
M_CAP
Uncertain
0.22
D
MetaRNN
Benign
0.36
T;T;T
MetaSVM
Benign
-0.54
T
MutationAssessor
Uncertain
2.5
M;.;.
PrimateAI
Uncertain
0.59
T
PROVEAN
Pathogenic
-4.5
D;.;.
REVEL
Uncertain
0.34
Sift
Uncertain
0.0040
D;.;.
Sift4G
Uncertain
0.055
T;.;.
Polyphen
0.96
P;.;.
Vest4
0.68
MutPred
0.35
Gain of glycosylation at Y405 (P = 0.0118);.;.;
MVP
0.77
MPC
0.012
ClinPred
0.76
D
GERP RS
2.0
Varity_R
0.26
gMVP
0.53

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

LitVar

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

Other links and lift over

dbSNP: rs149905649; hg19: chr4-3494917; API