chr17-8315491-C-A

Position:

chr17-8315491-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_173728.4(ARHGEF15):c.1338C>A(p.Ser446Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,613,306 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 31)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

ARHGEF15
NM_173728.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.434

Variant links:

Genes affected

ARHGEF15 (HGNC:15590): (Rho guanine nucleotide exchange factor 15) Rho GTPases play a fundamental role in numerous cellular processes that are initiated by extracellular stimuli that work through G protein-coupled receptors. This gene encodes a protein that functions as a specific guanine nucleotide exchange factor for RhoA. It also interacts with ephrin A4 in vascular smooth muscle cells. Two alternatively spliced transcripts variants that encode the same protein have been found for this gene. [provided by RefSeq, Aug 2010]

ARHGEF15 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
ARHGEF15	NM_173728.4 linkuse as main transcript	c.1338C>A	p.Ser446Arg	missense_variant	7/16	ENST00000361926.8	NP_776089.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris
ARHGEF15	ENST00000361926.8 linkuse as main transcript	c.1338C>A	p.Ser446Arg	missense_variant	7/16	1	NM_173728.4	ENSP00000355026	P1
ARHGEF15	ENST00000421050.2 linkuse as main transcript	c.1338C>A	p.Ser446Arg	missense_variant	7/16	1		ENSP00000412505	P1
ARHGEF15	ENST00000647883.1 linkuse as main transcript	c.801C>A	p.Ser267Arg	missense_variant	4/13			ENSP00000498197
ARHGEF15	ENST00000578286.1 linkuse as main transcript	n.386C>A		non_coding_transcript_exon_variant	3/3	3

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152138

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

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

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461168

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726924

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.0000224

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:

0.00

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152138

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74316

show subpopulations

Gnomad4 AFR

AF:

0.0000483

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:

0.0000712

Hom.:

Bravo

AF:

0.0000189

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Early infantile epileptic encephalopathy with suppression bursts

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Aug 06, 2021

In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with ARHGEF15-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces serine with arginine at codon 446 of the ARHGEF15 protein (p.Ser446Arg). The serine residue is highly conserved and there is a moderate physicochemical difference between serine and arginine. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.99

BayesDel_addAF

Uncertain

0.086

BayesDel_noAF

Benign

-0.11

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.45

T;T;.

Eigen

Uncertain

0.60

Eigen_PC

Uncertain

0.55

FATHMM_MKL

Benign

0.73

LIST_S2

Benign

0.78

.;T;T

M_CAP

Uncertain

0.087

MetaRNN

Uncertain

0.51

D;D;D

MetaSVM

Benign

-0.46

MutationAssessor

Uncertain

2.3

M;M;.

MutationTaster

Benign

0.81

N;N

PrimateAI

Uncertain

0.68

PROVEAN

Uncertain

-4.3

D;D;.

REVEL

Uncertain

0.32

Sift

Uncertain

0.016

D;D;.

Sift4G

Uncertain

0.0020

D;D;.

Polyphen

1.0

D;D;.

Vest4

0.59

MutPred

0.48

Gain of MoRF binding (P = 0.0321);Gain of MoRF binding (P = 0.0321);.;

MVP

0.82

MPC

1.9

ClinPred

0.99

GERP RS

4.0

Varity_R

0.40

gMVP

0.68

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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