Variant chrX-63638108-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4BP6

The NM_001353921.2(ARHGEF9):c.1492G>A(p.Val498Ile) variant causes a missense change. The variant allele was found at a frequency of 0.000000912 in 1,096,211 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. 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: not found (cov: 22)

Exomes 𝑓: 9.1e-7 ( 0 hom. 0 hem. )

Consequence

ARHGEF9
NM_001353921.2 missense

Scores

Clinical Significance

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

Conservation

PhyloP100: 5.59

Variant links:

Genes affected

ARHGEF9 (HGNC:14561): (Cdc42 guanine nucleotide exchange factor 9) The protein encoded by this gene is a Rho-like GTPase that switches between the active (GTP-bound) state and inactive (GDP-bound) state to regulate CDC42 and other genes. This brain-specific protein also acts as an adaptor protein for the recruitment of gephyrin and together these proteins facilitate receceptor recruitement in GABAnergic and glycinergic synapses. Defects in this gene are the cause of startle disease with epilepsy (STHEE), also known as hyperekplexia with epilepsy, as well as several other types of cognitive disability. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2017]

ARHGEF9 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=0.34662145).

BP6

Variant X-63638108-C-T is Benign according to our data. Variant chrX-63638108-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 1218587.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ARHGEF9	NM_001353921.2 linkuse as main transcript	c.1492G>A	p.Val498Ile	missense_variant	10/10	ENST00000671741.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ARHGEF9	ENST00000671741.2 linkuse as main transcript	c.1492G>A	p.Val498Ile	missense_variant	10/10		NM_001353921.2	A1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

9.12e-7

AC:

AN:

1096211

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

361667

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:

0.00000119

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

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

Dec 10, 2019

Not observed in large population cohorts (Lek et al., 2016); In silico analysis, which includes protein predictors and evolutionary conservation, supports that this variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Developmental and epileptic encephalopathy, 8

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Aug 10, 2022

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.086

BayesDel_addAF

Benign

-0.036

BayesDel_noAF

Benign

-0.29

CADD

Benign

DANN

Uncertain

1.0

DEOGEN2

Benign

0.22

T;.;T;T;T;T;T;T;.;T;.;T;T;.;T;.;T

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.94

D;D;D;.;D;.;.;.;D;.;D;.;.;D;.;D;D

M_CAP

Benign

0.050

MetaRNN

Benign

0.35

T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T

MetaSVM

Benign

-0.49

MutationAssessor

Uncertain

2.1

M;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.

MutationTaster

Benign

1.0

D;D;D;D;D;D

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-0.78

N;.;.;.;.;.;.;.;.;.;.;.;.;.;N;.;.

REVEL

Uncertain

0.30

Sift

Uncertain

0.013

D;.;.;.;.;.;.;.;.;.;.;.;.;.;D;.;.

Sift4G

Uncertain

0.018

D;D;.;.;.;.;.;.;D;D;.;.;.;.;D;D;.

Polyphen

0.83

P;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.

Vest4

0.23

MutPred

0.21

Loss of disorder (P = 0.1856);Loss of disorder (P = 0.1856);.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;

MVP

0.85

MPC

1.3

ClinPred

0.89

GERP RS

5.3

Varity_R

0.30

gMVP

0.73

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

No publications associated with this variant yet.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over