5-169702404-G-A

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_004946.3(DOCK2):​c.1360G>A​(p.Ala454Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000407 in 1,613,862 control chromosomes in the GnomAD database, including 4 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. A454V) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0019 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00025 ( 3 hom. )

Consequence

DOCK2
NM_004946.3 missense

Scores

19

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: 1.02

Publications

0 publications found
Variant links:
Genes affected
DOCK2 (HGNC:2988): (dedicator of cytokinesis 2) The protein encoded by this gene belongs to the CDM protein family. It is specifically expressed in hematopoietic cells and is predominantly expressed in peripheral blood leukocytes. The protein is involved in remodeling of the actin cytoskeleton required for lymphocyte migration in response to chemokine signaling. It activates members of the Rho family of GTPases, for example RAC1 and RAC2, by acting as a guanine nucleotide exchange factor (GEF) to exchange bound GDP for free GTP. Mutations in this gene result in immunodeficiency 40 (IMD40), a combined form of immunodeficiency that affects T cell number and function, also with variable defects in B cell and NK cell function. [provided by RefSeq, May 2018]
DOCK2 Gene-Disease associations (from GenCC):
  • DOCK2 deficiency
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.008157015).
BP6
Variant 5-169702404-G-A is Benign according to our data. Variant chr5-169702404-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 475999.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00193 (294/152260) while in subpopulation AFR AF = 0.00676 (281/41544). AF 95% confidence interval is 0.00611. There are 1 homozygotes in GnomAd4. There are 138 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAdExome4 at 3 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DOCK2NM_004946.3 linkc.1360G>A p.Ala454Thr missense_variant Exon 14 of 52 ENST00000520908.7 NP_004937.1 Q92608-1Q5XG91

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DOCK2ENST00000520908.7 linkc.1360G>A p.Ala454Thr missense_variant Exon 14 of 52 2 NM_004946.3 ENSP00000429283.3 Q92608-1

Frequencies

GnomAD3 genomes
AF:
0.00193
AC:
294
AN:
152142
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00678
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000524
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000579
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.000534
AC:
134
AN:
250952
AF XY:
0.000428
show subpopulations
Gnomad AFR exome
AF:
0.00677
Gnomad AMR exome
AF:
0.000521
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000545
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.000491
GnomAD4 exome
AF:
0.000248
AC:
363
AN:
1461602
Hom.:
3
Cov.:
31
AF XY:
0.000238
AC XY:
173
AN XY:
727116
show subpopulations
African (AFR)
AF:
0.00765
AC:
256
AN:
33474
American (AMR)
AF:
0.000447
AC:
20
AN:
44714
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00113
AC:
45
AN:
39668
South Asian (SAS)
AF:
0.0000232
AC:
2
AN:
86250
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53392
Middle Eastern (MID)
AF:
0.000694
AC:
4
AN:
5764
European-Non Finnish (NFE)
AF:
0.00000450
AC:
5
AN:
1111824
Other (OTH)
AF:
0.000513
AC:
31
AN:
60382
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.483
Heterozygous variant carriers
0
19
39
58
78
97
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
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:
0.00193
AC:
294
AN:
152260
Hom.:
1
Cov.:
32
AF XY:
0.00185
AC XY:
138
AN XY:
74438
show subpopulations
African (AFR)
AF:
0.00676
AC:
281
AN:
41544
American (AMR)
AF:
0.000523
AC:
8
AN:
15292
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000580
AC:
3
AN:
5170
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10612
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68026
Other (OTH)
AF:
0.000473
AC:
1
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.507
Heterozygous variant carriers
0
15
30
45
60
75
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
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:
0.000722
Hom.:
2
Bravo
AF:
0.00209
ESP6500AA
AF:
0.00567
AC:
25
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000626
AC:
76
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

DOCK2 deficiency Uncertain:1Benign:1
Mar 08, 2018
Baylor Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868]. -

Jan 22, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

DOCK2-related disorder Benign:1
Jan 10, 2020
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.070
BayesDel_addAF
Benign
-0.66
T
BayesDel_noAF
Benign
-0.71
CADD
Benign
6.1
DANN
Benign
0.93
DEOGEN2
Benign
0.046
T;T;.;.
Eigen
Benign
-1.1
Eigen_PC
Benign
-0.98
FATHMM_MKL
Benign
0.71
D
LIST_S2
Benign
0.72
.;T;T;T
M_CAP
Benign
0.0048
T
MetaRNN
Benign
0.0082
T;T;T;T
MetaSVM
Benign
-0.92
T
MutationAssessor
Benign
0.34
N;N;.;.
PhyloP100
1.0
PrimateAI
Benign
0.36
T
PROVEAN
Benign
0.96
N;.;.;.
REVEL
Benign
0.063
Sift
Benign
0.19
T;.;.;.
Sift4G
Benign
0.094
T;.;.;T
Polyphen
0.0
B;B;.;.
Vest4
0.057
MVP
0.11
MPC
0.50
ClinPred
0.0078
T
GERP RS
-0.54
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.11
gMVP
0.18
Mutation Taster
=93/7
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: rs114888195; hg19: chr5-169129408; API