11-18934118-G-A

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_001393578.1(MRGPRX1):​c.667C>T​(p.Leu223Leu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00188 in 1,610,844 control chromosomes in the GnomAD database, including 118 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0098 ( 59 hom., cov: 35)
Exomes 𝑓: 0.0011 ( 59 hom. )

Consequence

MRGPRX1
NM_001393578.1 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.572
Variant links:
Genes affected
MRGPRX1 (HGNC:17962): (MAS related GPR family member X1) Enables transmembrane signaling receptor activity. Involved in cell surface receptor signaling pathway and response to chloroquine. Predicted to be located in cell surface. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.79).
BP6
Variant 11-18934118-G-A is Benign according to our data. Variant chr11-18934118-G-A is described in ClinVar as [Benign]. Clinvar id is 718088.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-0.572 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00977 (1480/151478) while in subpopulation AFR AF= 0.0339 (1401/41316). AF 95% confidence interval is 0.0324. There are 59 homozygotes in gnomad4. There are 687 alleles in male gnomad4 subpopulation. Median coverage is 35. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 59 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MRGPRX1NM_001393578.1 linkuse as main transcriptc.667C>T p.Leu223Leu synonymous_variant 2/2 ENST00000526914.2 NP_001380507.1
MRGPRX1NM_147199.4 linkuse as main transcriptc.667C>T p.Leu223Leu synonymous_variant 1/1 NP_671732.3 Q96LB2W8W3P5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MRGPRX1ENST00000526914.2 linkuse as main transcriptc.667C>T p.Leu223Leu synonymous_variant 2/23 NM_001393578.1 ENSP00000499076.2 Q96LB2A0A494C1K4
MRGPRX1ENST00000302797.4 linkuse as main transcriptc.667C>T p.Leu223Leu synonymous_variant 1/16 ENSP00000305766.3 Q96LB2

Frequencies

GnomAD3 genomes
AF:
0.00976
AC:
1477
AN:
151360
Hom.:
58
Cov.:
35
show subpopulations
Gnomad AFR
AF:
0.0339
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00311
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000210
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00955
Gnomad NFE
AF:
0.000192
Gnomad OTH
AF:
0.00772
GnomAD3 exomes
AF:
0.00254
AC:
636
AN:
250704
Hom.:
26
AF XY:
0.00173
AC XY:
235
AN XY:
135542
show subpopulations
Gnomad AFR exome
AF:
0.0350
Gnomad AMR exome
AF:
0.00131
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000131
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000114
Gnomad OTH exome
AF:
0.000980
GnomAD4 exome
AF:
0.00106
AC:
1547
AN:
1459366
Hom.:
59
Cov.:
31
AF XY:
0.000921
AC XY:
669
AN XY:
725994
show subpopulations
Gnomad4 AFR exome
AF:
0.0372
Gnomad4 AMR exome
AF:
0.00149
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000105
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000865
Gnomad4 OTH exome
AF:
0.00206
GnomAD4 genome
AF:
0.00977
AC:
1480
AN:
151478
Hom.:
59
Cov.:
35
AF XY:
0.00928
AC XY:
687
AN XY:
74030
show subpopulations
Gnomad4 AFR
AF:
0.0339
Gnomad4 AMR
AF:
0.00311
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000210
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000192
Gnomad4 OTH
AF:
0.00764
Alfa
AF:
0.00465
Hom.:
10
Bravo
AF:
0.0108
EpiCase
AF:
0.0000546
EpiControl
AF:
0.000178

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpOct 19, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.79
CADD
Benign
6.0
DANN
Benign
0.88

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: rs112335646; hg19: chr11-18955665; API