chr4-3493265-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_173660.5(DOK7):​c.1279G>T​(p.Gly427Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,210 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict 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. G427S) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 34)

Consequence

DOK7
NM_173660.5 missense

Scores

5
14

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.285
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.18134058).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DOK7NM_173660.5 linkuse as main transcriptc.1279G>T p.Gly427Cys missense_variant 7/7 ENST00000340083.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DOK7ENST00000340083.6 linkuse as main transcriptc.1279G>T p.Gly427Cys missense_variant 7/71 NM_173660.5 P1Q18PE1-1
DOK7ENST00000643608.1 linkuse as main transcriptc.847G>T p.Gly283Cys missense_variant 5/8
DOK7ENST00000515886.5 linkuse as main transcriptc.349G>T p.Gly117Cys missense_variant 4/42
DOK7ENST00000507039.5 linkuse as main transcriptc.*500G>T 3_prime_UTR_variant 7/72 Q18PE1-4

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152210
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000241
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
GnomAD4 exome
Cov.:
95
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152210
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
74352
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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:
0.00000378
ESP6500AA
AF:
0.000229
AC:
1
ESP6500EA
AF:
0.00
AC:
0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.099
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Benign
-0.42
CADD
Benign
14
DANN
Uncertain
0.99
DEOGEN2
Benign
0.070
T;.;.
Eigen
Benign
-0.39
Eigen_PC
Benign
-0.58
FATHMM_MKL
Benign
0.091
N
LIST_S2
Benign
0.39
T;T;T
M_CAP
Benign
0.076
D
MetaRNN
Benign
0.18
T;T;T
MetaSVM
Benign
-0.87
T
MutationAssessor
Benign
1.1
L;.;.
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Uncertain
0.49
T
PROVEAN
Uncertain
-2.5
N;.;.
REVEL
Benign
0.15
Sift
Uncertain
0.026
D;.;.
Sift4G
Uncertain
0.045
D;.;.
Polyphen
0.95
P;.;.
Vest4
0.080
MVP
0.76
MPC
0.011
ClinPred
0.57
D
GERP RS
1.9
Varity_R
0.15
gMVP
0.13

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: rs377555406; hg19: chr4-3494992; API