11-19056201-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_054030.4(MRGPRX2):​c.202G>A​(p.Val68Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,614,010 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

MRGPRX2
NM_054030.4 missense

Scores

19

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.261
Variant links:
Genes affected
MRGPRX2 (HGNC:17983): (MAS related GPR family member X2) Enables G protein-coupled receptor activity and neuropeptide binding activity. Involved in mast cell degranulation and positive regulation of cytokinesis. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.05903393).
BP6
Variant 11-19056201-C-T is Benign according to our data. Variant chr11-19056201-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 2209245.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MRGPRX2NM_054030.4 linkuse as main transcriptc.202G>A p.Val68Ile missense_variant 2/2 ENST00000329773.3 NP_473371.1
MRGPRX2NM_001303615.2 linkuse as main transcriptc.202G>A p.Val68Ile missense_variant 3/3 NP_001290544.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MRGPRX2ENST00000329773.3 linkuse as main transcriptc.202G>A p.Val68Ile missense_variant 2/21 NM_054030.4 ENSP00000333800 P1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152210
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000342
AC:
5
AN:
1461800
Hom.:
0
Cov.:
30
AF XY:
0.00000413
AC XY:
3
AN XY:
727196
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:
0.00000450
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152210
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74356
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsAug 17, 2022This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.074
BayesDel_addAF
Benign
-0.41
T
BayesDel_noAF
Benign
-0.82
CADD
Benign
0.051
DANN
Benign
0.46
DEOGEN2
Benign
0.0015
T
Eigen
Benign
-1.6
Eigen_PC
Benign
-1.5
FATHMM_MKL
Benign
0.026
N
LIST_S2
Benign
0.59
T
M_CAP
Benign
0.0014
T
MetaRNN
Benign
0.059
T
MetaSVM
Benign
-0.92
T
MutationAssessor
Benign
-1.7
N
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.24
T
PROVEAN
Benign
0.68
N
REVEL
Benign
0.018
Sift
Benign
1.0
T
Sift4G
Benign
1.0
T
Polyphen
0.16
B
Vest4
0.038
MutPred
0.49
Gain of MoRF binding (P = 0.1456);
MVP
0.14
MPC
0.10
ClinPred
0.047
T
GERP RS
-1.4
Varity_R
0.022
gMVP
0.025

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: rs756417420; hg19: chr11-19077748; COSMIC: COSV61673920; API