Genetic Variant CDC42EP2:p.Arg132His (chr11-65321293-G-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_006779.4(CDC42EP2):c.395G>A(p.Arg132His) variant causes a missense change. The variant allele was found at a frequency of 0.0000031 in 1,613,780 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

CDC42EP2
NM_006779.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.43

Variant links:

Genes affected

CDC42EP2 (HGNC:16263): (CDC42 effector protein 2) CDC42, a small Rho GTPase, regulates the formation of F-actin-containing structures through its interaction with the downstream effector proteins. The protein encoded by this gene is a member of the Borg family of CDC42 effector proteins. Borg family proteins contain a CRIB (Cdc42/Rac interactive-binding) domain. They bind to, and negatively regulate the function of CDC42. Coexpression of this protein with CDC42 suggested a role of this protein in actin filament assembly and cell shape control. [provided by RefSeq, Aug 2011]

CDC42EP2 links:

ENSG00000285816 (HGNC:):

ENSG00000285816 links:

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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=0.20952213).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CDC42EP2	NM_006779.4 link	c.395G>A	p.Arg132His	missense_variant	Exon 2 of 2	ENST00000279249.3	NP_006770.1	O14613
CDC42EP2	XM_047426244.1 link	c.395G>A	p.Arg132His	missense_variant	Exon 2 of 2		XP_047282200.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CDC42EP2	ENST00000279249.3 link	c.395G>A	p.Arg132His	missense_variant	Exon 2 of 2	1	NM_006779.4	ENSP00000279249.2	O14613
ENSG00000285816	ENST00000649896.1 link	n.*721G>A		non_coding_transcript_exon_variant	Exon 19 of 20			ENSP00000498025.1	A0A3B3ITS5
ENSG00000285816	ENST00000649896.1 link	n.*721G>A		3_prime_UTR_variant	Exon 19 of 20			ENSP00000498025.1	A0A3B3ITS5
CDC42EP2	ENST00000533419.1 link	c.395G>A	p.Arg132His	missense_variant	Exon 2 of 2	3		ENSP00000431660.1	O14613

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152094

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461686

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727116

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

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:

0.00000270

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152094

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74290

show subpopulations

Gnomad4 AFR

AF:

0.00

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:

0.0000147

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000756

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 24, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.395G>A (p.R132H) alteration is located in exon 2 (coding exon 1) of the CDC42EP2 gene. This alteration results from a G to A substitution at nucleotide position 395, causing the arginine (R) at amino acid position 132 to be replaced by a histidine (H). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.70

BayesDel_addAF

Benign

-0.068

BayesDel_noAF

Benign

-0.34

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.13

T;T

Eigen

Uncertain

0.27

Eigen_PC

Uncertain

0.34

FATHMM_MKL

Uncertain

0.94

LIST_S2

Uncertain

0.91

.;D

M_CAP

Benign

0.021

MetaRNN

Benign

0.21

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.9

M;M

PrimateAI

Uncertain

0.77

PROVEAN

Uncertain

-3.2

D;D

REVEL

Benign

0.077

Sift

Uncertain

0.0020

D;D

Sift4G

Uncertain

0.025

D;D

Polyphen

0.65

P;P

Vest4

0.31

MutPred

0.22

Loss of catalytic residue at R132 (P = 0.0963);Loss of catalytic residue at R132 (P = 0.0963);

MVP

0.61

ClinPred

0.99

GERP RS

4.3

Varity_R

0.32

gMVP

0.61

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.

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