Genetic Variant ARHGAP31:p.Pro274Ser (chr3-119390922-C-T) – ACMG Classification: Benign (-16 pts)

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_020754.4(ARHGAP31):c.820C>T(p.Pro274Ser) variant causes a missense change. The variant allele was found at a frequency of 0.00562 in 1,614,176 control chromosomes in the GnomAD database, including 33 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0032 ( 1 hom., cov: 32)

Exomes 𝑓: 0.0059 ( 32 hom. )

Consequence

ARHGAP31
NM_020754.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:11

Conservation

PhyloP100: 5.40

Publications

12 publications found

Variant links:

Genes affected

ARHGAP31 (HGNC:29216): (Rho GTPase activating protein 31) This gene encodes a GTPase-activating protein (GAP). A variety of cellular processes are regulated by Rho GTPases which cycle between an inactive form bound to GDP and an active form bound to GTP. This cycling between inactive and active forms is regulated by guanine nucleotide exchange factors and GAPs. The encoded protein is a GAP shown to regulate two GTPases involved in protein trafficking and cell growth. [provided by RefSeq, Jul 2008]

ARHGAP31 Gene-Disease associations (from GenCC):

Adams-Oliver syndrome 1
Inheritance: AD Classification: STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae)
Adams-Oliver syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ARHGAP31 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.008361101).

BP6

Variant 3-119390922-C-T is Benign according to our data. Variant chr3-119390922-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 198582.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS2

High AC in GnomAd4 at 486 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020754.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ARHGAP31	NM_020754.4	MANE Select	c.820C>T	p.Pro274Ser	missense	Exon 7 of 12	NP_065805.2	A0A8S0MHV1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ARHGAP31	ENST00000264245.9	TSL:1 MANE Select	c.820C>T	p.Pro274Ser	missense	Exon 7 of 12	ENSP00000264245.4	Q2M1Z3
	ARHGAP31	ENST00000861944.1		c.820C>T	p.Pro274Ser	missense	Exon 7 of 12	ENSP00000532003.1

Frequencies

GnomAD3 genomes

AF:

0.00319

AC:

486

AN:

152212

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000965

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000851

Gnomad ASJ

AF:

0.00433

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00621

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00510

Gnomad OTH

AF:

0.00191

GnomAD2 exomes

AF:

0.00364

AC:

909

AN:

249542

AF XY:

0.00369

show subpopulations

Gnomad AFR exome

AF:

0.000775

Gnomad AMR exome

AF:

0.000637

Gnomad ASJ exome

AF:

0.00447

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00705

Gnomad NFE exome

AF:

0.00580

Gnomad OTH exome

AF:

0.00346

GnomAD4 exome

AF:

0.00587

AC:

8580

AN:

1461846

Hom.:

Cov.:

AF XY:

0.00576

AC XY:

4188

AN XY:

727222

show subpopulations

African (AFR)

AF:

0.000866

AC:

AN:

33478

American (AMR)

AF:

0.000559

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00463

AC:

121

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00607

AC:

324

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5746

European-Non Finnish (NFE)

AF:

0.00707

AC:

7858

AN:

1111994

Other (OTH)

AF:

0.00369

AC:

223

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.464

Heterozygous variant carriers

486

972

1458

1944

2430

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

310

620

930

1240

1550

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00319

AC:

486

AN:

152330

Hom.:

Cov.:

AF XY:

0.00324

AC XY:

241

AN XY:

74488

show subpopulations

African (AFR)

AF:

0.000962

AC:

AN:

41576

American (AMR)

AF:

0.000850

AC:

AN:

15300

Ashkenazi Jewish (ASJ)

AF:

0.00433

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.000207

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00621

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00510

AC:

347

AN:

68024

Other (OTH)

AF:

0.00189

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

120

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00457

Hom.:

Bravo

AF:

0.00294

TwinsUK

AF:

0.00917

AC:

ALSPAC

AF:

0.00778

AC:

ESP6500AA

AF:

0.00225

AC:

ESP6500EA

AF:

0.00552

AC:

ExAC

AF:

0.00382

AC:

462

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.00507

EpiControl

AF:

0.00498

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (5)

Adams-Oliver syndrome 1 (3)

not specified (2)

ARHGAP31-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.88

BayesDel_addAF

Benign

-0.47

BayesDel_noAF

Benign

-0.44

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.046

Eigen

Benign

0.11

Eigen_PC

Uncertain

0.30

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.88

M_CAP

Benign

0.025

MetaRNN

Benign

0.0084

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.7

PhyloP100

5.4

PrimateAI

Uncertain

0.70

PROVEAN

Benign

-2.2

REVEL

Benign

0.10

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.036

Polyphen

0.010

Vest4

0.42

MVP

0.17

MPC

0.68

ClinPred

0.032

GERP RS

5.9

Varity_R

0.11

gMVP

0.71

Mutation Taster

=90/10

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over