4-36107589-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_015230.4(ARAP2):​c.4261G>A​(p.Ala1421Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000659 in 1,609,564 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000064 ( 1 hom. )

Consequence

ARAP2
NM_015230.4 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.16
Variant links:
Genes affected
ARAP2 (HGNC:16924): (ArfGAP with RhoGAP domain, ankyrin repeat and PH domain 2) The protein encoded by this gene contains ARF-GAP, RHO-GAP, ankyrin repeat, RAS-associating, and pleckstrin homology domains. The protein is a phosphatidylinositol (3,4,5)-trisphosphate-dependent Arf6 GAP that binds RhoA-GTP, but it lacks the predicted catalytic arginine in the RHO-GAP domain and does not have RHO-GAP activity. The protein associates with focal adhesions and functions downstream of RhoA to regulate focal adhesion dynamics. [provided by RefSeq, Sep 2008]

Genome browser will be placed here

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=0.036158144).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ARAP2NM_015230.4 linkuse as main transcriptc.4261G>A p.Ala1421Thr missense_variant 27/33 ENST00000303965.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ARAP2ENST00000303965.9 linkuse as main transcriptc.4261G>A p.Ala1421Thr missense_variant 27/331 NM_015230.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000527
AC:
8
AN:
151920
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000725
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000589
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000101
AC:
25
AN:
248408
Hom.:
1
AF XY:
0.000119
AC XY:
16
AN XY:
134300
show subpopulations
Gnomad AFR exome
AF:
0.0000620
Gnomad AMR exome
AF:
0.0000887
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000132
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000142
Gnomad OTH exome
AF:
0.000165
GnomAD4 exome
AF:
0.0000645
AC:
94
AN:
1457526
Hom.:
1
Cov.:
30
AF XY:
0.0000662
AC XY:
48
AN XY:
725066
show subpopulations
Gnomad4 AFR exome
AF:
0.0000602
Gnomad4 AMR exome
AF:
0.0000903
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000507
Gnomad4 SAS exome
AF:
0.000152
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000559
Gnomad4 OTH exome
AF:
0.000116
GnomAD4 genome
AF:
0.0000789
AC:
12
AN:
152038
Hom.:
0
Cov.:
32
AF XY:
0.0000807
AC XY:
6
AN XY:
74312
show subpopulations
Gnomad4 AFR
AF:
0.000169
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000589
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000987
Hom.:
0
Bravo
AF:
0.0000907
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000906
AC:
11
EpiCase
AF:
0.000277
EpiControl
AF:
0.000541

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsApr 01, 2024The c.4261G>A (p.A1421T) alteration is located in exon 27 (coding exon 26) of the ARAP2 gene. This alteration results from a G to A substitution at nucleotide position 4261, causing the alanine (A) at amino acid position 1421 to be replaced by a threonine (T). 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
Benign
0.063
BayesDel_addAF
Benign
-0.56
T
BayesDel_noAF
Benign
-0.80
CADD
Benign
0.42
DANN
Benign
0.68
DEOGEN2
Benign
0.014
T;T
Eigen
Benign
-1.6
Eigen_PC
Benign
-1.6
FATHMM_MKL
Benign
0.0016
N
LIST_S2
Benign
0.22
T;T
M_CAP
Benign
0.0053
T
MetaRNN
Benign
0.036
T;T
MetaSVM
Benign
-0.94
T
MutationAssessor
Benign
1.5
L;.
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.27
T
PROVEAN
Benign
-0.95
N;.
REVEL
Benign
0.012
Sift
Benign
0.40
T;.
Sift4G
Benign
0.66
T;T
Polyphen
0.012
B;.
Vest4
0.13
MVP
0.014
MPC
0.025
ClinPred
0.0068
T
GERP RS
-4.3
Varity_R
0.030
gMVP
0.21

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.

Other links and lift over

dbSNP: rs368144802; hg19: chr4-36109211; COSMIC: COSV58287744; API