chr12-132618851-C-T

Variant summary

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

The NM_170682.4(P2RX2):​c.35C>T​(p.Ala12Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000165 in 1,210,040 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 29)
Exomes 𝑓: 0.0000017 ( 0 hom. )

Consequence

P2RX2
NM_170682.4 missense

Scores

5
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.04
Variant links:
Genes affected
P2RX2 (HGNC:15459): (purinergic receptor P2X 2) The product of this gene belongs to the family of purinoceptors for ATP. This receptor functions as a ligand-gated ion channel. Binding to ATP mediates synaptic transmission between neurons and from neurons to smooth muscle. Multiple transcript variants encoding distinct isoforms have been identified for this gene. [provided by RefSeq, Aug 2013]

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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=0.09699121).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
P2RX2NM_170682.4 linkuse as main transcriptc.35C>T p.Ala12Val missense_variant 1/11 ENST00000643471.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
P2RX2ENST00000643471.2 linkuse as main transcriptc.35C>T p.Ala12Val missense_variant 1/11 NM_170682.4 A2Q9UBL9-1

Frequencies

GnomAD3 genomes
Cov.:
29
GnomAD4 exome
AF:
0.00000165
AC:
2
AN:
1210040
Hom.:
0
Cov.:
31
AF XY:
0.00000337
AC XY:
2
AN XY:
592938
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:
0.00000203
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
29

ClinVar

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

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingInvitaeApr 06, 2023In 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 output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The valine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. This variant has not been reported in the literature in individuals affected with P2RX2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 12 of the P2RX2 protein (p.Ala12Val). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.14
BayesDel_addAF
Benign
-0.27
T
BayesDel_noAF
Benign
-0.62
CADD
Benign
12
DANN
Uncertain
0.99
DEOGEN2
Benign
0.15
T;T;.;.;.;.;.;.;T
Eigen
Benign
-0.74
Eigen_PC
Benign
-0.88
FATHMM_MKL
Benign
0.013
N
LIST_S2
Benign
0.62
.;T;T;T;T;T;T;T;T
M_CAP
Uncertain
0.26
D
MetaRNN
Benign
0.097
T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Uncertain
2.0
M;M;M;M;M;M;M;M;.
MutationTaster
Benign
1.0
N;N;N;N;N;N;N
PrimateAI
Uncertain
0.73
T
PROVEAN
Benign
-0.70
.;N;N;N;N;N;N;N;.
REVEL
Benign
0.027
Sift
Benign
0.068
.;T;T;T;T;T;T;T;.
Sift4G
Uncertain
0.022
.;D;D;D;D;D;D;D;T
Polyphen
0.0030
B;B;B;B;B;B;B;B;B
Vest4
0.10, 0.14, 0.13, 0.085, 0.098, 0.078, 0.088, 0.11
MutPred
0.29
Loss of helix (P = 0.0237);Loss of helix (P = 0.0237);Loss of helix (P = 0.0237);Loss of helix (P = 0.0237);Loss of helix (P = 0.0237);Loss of helix (P = 0.0237);Loss of helix (P = 0.0237);Loss of helix (P = 0.0237);Loss of helix (P = 0.0237);
MVP
0.34
MPC
0.81
ClinPred
0.071
T
GERP RS
0.34
Varity_R
0.041
gMVP
0.18

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.

Other links and lift over

hg19: chr12-133195437; API