chr1-23431706-C-A

Variant summary

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

The NM_017707.4(ASAP3):​c.2536G>T​(p.Val846Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000131 in 1,523,362 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V846I) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 30)
Exomes 𝑓: 7.3e-7 ( 0 hom. )

Consequence

ASAP3
NM_017707.4 missense

Scores

1
4
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.61
Variant links:
Genes affected
ASAP3 (HGNC:14987): (ArfGAP with SH3 domain, ankyrin repeat and PH domain 3) This gene encodes a member of a subfamily of ADP-ribosylation factor(Arf) GTPase-activating proteins that contain additional ankyrin repeat and pleckstrin homology domains. The Arf GAP domain of this protein catalyzes the hydrolysis of GTP bound to Arf proteins. The encoded protein promotes cell differentiation and migration and has been implicated in cancer cell invasion. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2009]

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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=0.16631103).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ASAP3NM_017707.4 linkuse as main transcriptc.2536G>T p.Val846Phe missense_variant 23/25 ENST00000336689.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ASAP3ENST00000336689.8 linkuse as main transcriptc.2536G>T p.Val846Phe missense_variant 23/251 NM_017707.4 P1Q8TDY4-1

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152066
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0000242
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:
7.29e-7
AC:
1
AN:
1371296
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
674878
show subpopulations
Gnomad4 AFR exome
AF:
0.0000337
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152066
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
74254
show subpopulations
Gnomad4 AFR
AF:
0.0000242
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

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 GeneticsOct 27, 2022The c.2536G>T (p.V846F) alteration is located in exon 23 (coding exon 23) of the ASAP3 gene. This alteration results from a G to T substitution at nucleotide position 2536, causing the valine (V) at amino acid position 846 to be replaced by a phenylalanine (F). 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
0.21
BayesDel_addAF
Benign
-0.015
T
BayesDel_noAF
Benign
-0.26
CADD
Benign
22
DANN
Uncertain
0.99
Eigen
Benign
-0.096
Eigen_PC
Benign
-0.083
FATHMM_MKL
Uncertain
0.76
D
M_CAP
Benign
0.059
D
MetaRNN
Benign
0.17
T;T;T;T
MetaSVM
Benign
-0.90
T
MutationTaster
Benign
0.55
N;N;N
PrimateAI
Uncertain
0.60
T
PROVEAN
Benign
-2.1
N;N;D;N
REVEL
Benign
0.14
Sift
Uncertain
0.0010
D;D;T;D
Sift4G
Pathogenic
0.0
D;T;D;T
Polyphen
0.93, 0.99
.;P;.;D
Vest4
0.48
MutPred
0.17
.;Loss of MoRF binding (P = 0.0909);.;.;
MVP
0.60
MPC
0.71
ClinPred
0.85
D
GERP RS
3.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Varity_R
0.17
gMVP
0.45

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: rs753354426; hg19: chr1-23758199; API