chr5-169883058-G-A
Position:
Variant summary
Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong
The NM_001129891.3(INSYN2B):c.841C>T(p.Pro281Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: not found (cov: 32)
Consequence
INSYN2B
NM_001129891.3 missense
NM_001129891.3 missense
Scores
1
2
15
Clinical Significance
Conservation
PhyloP100: 1.08
Genes affected
INSYN2B (HGNC:37271): (inhibitory synaptic factor family member 2B)
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]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.05428955).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
INSYN2B | NM_001129891.3 | c.841C>T | p.Pro281Ser | missense_variant | 2/4 | ENST00000377365.4 | |
DOCK2 | NM_004946.3 | c.2799+42206G>A | intron_variant | ENST00000520908.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
INSYN2B | ENST00000377365.4 | c.841C>T | p.Pro281Ser | missense_variant | 2/4 | 2 | NM_001129891.3 | P1 | |
DOCK2 | ENST00000520908.7 | c.2799+42206G>A | intron_variant | 2 | NM_004946.3 | P1 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD3 genomes
Cov.:
32
GnomAD4 exome Cov.: 32
GnomAD4 exome
Cov.:
32
GnomAD4 genome Cov.: 32
GnomAD4 genome
Cov.:
32
Bravo
AF:
ExAC
AF:
AC:
1
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
DOCK2 deficiency Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Baylor Genetics | Sep 26, 2018 | This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868]. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Uncertain
DEOGEN2
Benign
T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Benign
T
M_CAP
Benign
T
MetaRNN
Benign
T
MetaSVM
Benign
T
MutationTaster
Benign
D;D;D;N
PrimateAI
Benign
T
PROVEAN
Benign
N
REVEL
Benign
Sift
Pathogenic
D
Sift4G
Benign
T
Polyphen
B
Vest4
MutPred
Gain of phosphorylation at P281 (P = 0.0243);
MVP
ClinPred
T
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at