Variant X-71617218-A-G details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_001504.2(CXCR3):c.254T>C(p.Leu85Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000919 in 1,088,284 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 23)

Exomes 𝑓: 9.2e-7 ( 0 hom. 0 hem. )

Consequence

CXCR3
NM_001504.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.428

Variant links:

Genes affected

CXCR3 (HGNC:4540): (C-X-C motif chemokine receptor 3) This gene encodes a G protein-coupled receptor with selectivity for three chemokines, termed CXCL9/Mig (monokine induced by interferon-g), CXCL10/IP10 (interferon-g-inducible 10 kDa protein) and CXCL11/I-TAC (interferon-inducible T cell a-chemoattractant). Binding of chemokines to this protein induces cellular responses that are involved in leukocyte traffic, most notably integrin activation, cytoskeletal changes and chemotactic migration. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. One of the isoforms (CXCR3-B) shows high affinity binding to chemokine, CXCL4/PF4 (PMID:12782716). [provided by RefSeq, Jun 2011]

CXCR3 links:

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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=0.2416859).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
CXCR3	NM_001504.2 linkuse as main transcript	c.254T>C	p.Leu85Pro	missense_variant	2/2	ENST00000373693.4	NP_001495.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
CXCR3	ENST00000373693.4 linkuse as main transcript	c.254T>C	p.Leu85Pro	missense_variant	2/2	1	NM_001504.2	ENSP00000362797	P1	P49682-1
CXCR3	ENST00000373691.4 linkuse as main transcript	c.395T>C	p.Leu132Pro	missense_variant	2/2	1		ENSP00000362795		P49682-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000628

AC:

AN:

159272

Hom.:

AF XY:

0.00

AC XY:

AN XY:

49790

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000803

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

9.19e-7

AC:

AN:

1088284

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

355642

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000334

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

Cov.:

Bravo

AF:

0.00000756

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 submitter

clinical testing

Ambry Genetics

Apr 29, 2024

The c.395T>C (p.L132P) alteration is located in exon 2 (coding exon 1) of the CXCR3 gene. This alteration results from a T to C substitution at nucleotide position 395, causing the leucine (L) at amino acid position 132 to be replaced by a proline (P). 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

0.13

BayesDel_addAF

Benign

-0.14

BayesDel_noAF

Benign

-0.24

CADD

Benign

DANN

Benign

0.97

DEOGEN2

Benign

0.20

.;T

FATHMM_MKL

Benign

0.35

LIST_S2

Benign

0.52

T;T

M_CAP

Benign

0.038

MetaRNN

Benign

0.24

T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.6

.;L

MutationTaster

Benign

1.0

D;D

PrimateAI

Uncertain

0.59

PROVEAN

Benign

-1.4

N;N

REVEL

Benign

0.25

Sift

Uncertain

0.025

D;D

Sift4G

Uncertain

0.030

D;D

Polyphen

0.0090

B;B

Vest4

0.27

MutPred

0.65

.;Gain of disorder (P = 0.0127);

MVP

0.87

MPC

1.3

ClinPred

0.049

GERP RS

4.3

Varity_R

0.30

gMVP

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over