rs149411090

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 3P and 9B. PM2PP2BP4_StrongBP6BS1

The NM_004946.3(DOCK2):c.1594G>A(p.Val532Met) variant causes a missense change. The variant allele was found at a frequency of 0.0000997 in 1,614,120 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00051 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000057 ( 0 hom. )

Consequence

DOCK2
NM_004946.3 missense

Scores

Clinical Significance

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

Conservation

PhyloP100: 5.79

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 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant where missense usually causes diseases, DOCK2

BP4

Computational evidence support a benign effect (MetaRNN=0.0248048).

BP6

Variant 5-169712158-G-A is Benign according to our data. Variant chr5-169712158-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 450229.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=1, Likely_benign=1}.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.000505 (77/152340) while in subpopulation AFR AF= 0.00185 (77/41568). AF 95% confidence interval is 0.00152. There are 0 homozygotes in gnomad4. There are 33 alleles in male gnomad4 subpopulation. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
DOCK2	NM_004946.3 linkuse as main transcript	c.1594G>A	p.Val532Met	missense_variant	17/52	ENST00000520908.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
DOCK2	ENST00000520908.7 linkuse as main transcript	c.1594G>A	p.Val532Met	missense_variant	17/52	2	NM_004946.3	P1	Q92608-1

Frequencies

GnomAD3 genomes

AF:

0.000506

AC:

AN:

152222

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00186

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:

0.000183

AC:

AN:

251292

Hom.:

AF XY:

0.000147

AC XY:

AN XY:

135808

show subpopulations

Gnomad AFR exome

AF:

0.00271

Gnomad AMR exome

AF:

0.0000578

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

AF:

0.0000575

AC:

AN:

1461780

Hom.:

Cov.:

AF XY:

0.0000523

AC XY:

AN XY:

727194

show subpopulations

Gnomad4 AFR exome

AF:

0.00233

Gnomad4 AMR exome

AF:

0.0000671

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.0000497

GnomAD4 genome

AF:

0.000505

AC:

AN:

152340

Hom.:

Cov.:

AF XY:

0.000443

AC XY:

AN XY:

74504

show subpopulations

Gnomad4 AFR

AF:

0.00185

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

Alfa

AF:

0.000134

Hom.:

Bravo

AF:

0.000646

ESP6500AA

AF:

0.00250

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000247

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

GeneDx

Jun 29, 2017

The V532M variant in the DOCK2 gene has not been reported previously as a pathogenic variant, nor as a benign variant, to our knowledge. This variant is observed in 29/10406 (0.27%) alleles from individuals of African background, in the ExAC dataset (Lek et al., 2016). The V532M variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. This substitution occurs at a position where amino acids with similar properties to Valine are tolerated across species. In silico analysis is inconsistent in its predictions as to whether or not the variant is damaging to the protein structure/function. Based on currently available evidence, we interpret V532M as a variant of uncertain significance. -

DOCK2 deficiency

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Invitae

Dec 13, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.26

BayesDel_addAF

Benign

-0.38

BayesDel_noAF

Benign

-0.32

Cadd

Pathogenic

Dann

Uncertain

1.0

DEOGEN2

Benign

0.13

T;T;.

Eigen

Pathogenic

0.72

Eigen_PC

Pathogenic

0.71

FATHMM_MKL

Pathogenic

0.97

M_CAP

Benign

0.013

MetaRNN

Benign

0.025

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.5

M;M;.

MutationTaster

Benign

1.0

D;D;D

PrimateAI

Uncertain

0.73

PROVEAN

Uncertain

-2.4

N;.;.

REVEL

Benign

0.19

Sift

Benign

0.036

D;.;.

Sift4G

Uncertain

0.045

D;.;D

Polyphen

1.0

D;D;.

Vest4

0.68

MVP

0.59

MPC

1.4

ClinPred

0.066

GERP RS

5.5

Varity_R

0.28

gMVP

0.50

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over