13-99255079-T-C

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001098200.2(GPR18):c.794A>G(p.Asn265Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000684 in 1,461,876 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N265I) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000068 ( 0 hom. )

Consequence

GPR18
NM_001098200.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.414

Publications

0 publications found

Variant links:

Genes affected

GPR18 (HGNC:4472): (G protein-coupled receptor 18) Predicted to enable G protein-coupled receptor activity. Predicted to be involved in positive regulation of Rho protein signal transduction and positive regulation of cytosolic calcium ion concentration involved in phospholipase C-activating G protein-coupled signaling pathway. Predicted to act upstream of or within T cell differentiation; negative regulation of leukocyte chemotaxis; and negative regulation of tumor necrosis factor production. Predicted to be located in plasma membrane. Predicted to be integral component of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

GPR18 links:

UBAC2 (HGNC:20486): (UBA domain containing 2) Involved in negative regulation of canonical Wnt signaling pathway and negative regulation of retrograde protein transport, ER to cytosol. Acts upstream of or within protein localization to endoplasmic reticulum. Located in endoplasmic reticulum. [provided by Alliance of Genome Resources, Apr 2022]

UBAC2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.054631114).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001098200.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
GPR18	NM_001098200.2	MANE Select	c.794A>G	p.Asn265Ser	missense	Exon 2 of 2	NP_001091670.1	Q14330
UBAC2	NM_001144072.2	MANE Select	c.389+10455T>C		intron	N/A	NP_001137544.1	Q8NBM4-1
GPR18	NM_005292.4		c.794A>G	p.Asn265Ser	missense	Exon 3 of 3	NP_005283.1	Q14330

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
GPR18	ENST00000397470.5	TSL:1 MANE Select	c.794A>G	p.Asn265Ser	missense	Exon 2 of 2	ENSP00000380610.2	Q14330
GPR18	ENST00000340807.3	TSL:1	c.794A>G	p.Asn265Ser	missense	Exon 3 of 3	ENSP00000343428.3	Q14330
GPR18	ENST00000397473.7	TSL:1	c.794A>G	p.Asn265Ser	missense	Exon 3 of 3	ENSP00000380613.2	Q14330

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000199

AC:

AN:

251024

AF XY:

0.0000147

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000353

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.00000684

AC:

AN:

1461876

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

727240

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.0000562

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1111998

Other (OTH)

AF:

0.0000166

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.490

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ExAC

AF:

0.0000412

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.091

BayesDel_addAF

Benign

-0.39

BayesDel_noAF

Benign

-0.69

CADD

Benign

0.0050

(source)

DANN

Benign

0.39

DEOGEN2

Benign

0.012

Eigen

Benign

-1.6

Eigen_PC

Benign

-1.6

FATHMM_MKL

Benign

0.043

LIST_S2

Benign

0.63

M_CAP

Benign

0.017

MetaRNN

Benign

0.055

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.27

PhyloP100

-0.41

PrimateAI

Benign

0.32

PROVEAN

Benign

-0.14

REVEL

Benign

0.18

Sift

Benign

0.81

Sift4G

Benign

0.65

Polyphen

0.0

Vest4

0.064

MutPred

0.47

Gain of catalytic residue at W267 (P = 0)

MVP

0.38

MPC

0.064

ClinPred

0.013

GERP RS

-5.3

Varity_R

0.030

gMVP

0.43

Mutation Taster

=92/8

polymorphism

(source)

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over