X-71108278-G-T

Variant summary

Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PVS1_StrongPM2PP5

The NM_000206.3(IL2RG):​c.923C>A​(p.Ser308*) variant causes a stop gained, splice region change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Pathogenic (no stars).

Frequency

Genomes: not found (cov: 24)
Exomes 𝑓: 0.0 ( 0 hom. 0 hem. )
Failed GnomAD Quality Control

Consequence

IL2RG
NM_000206.3 stop_gained, splice_region

Scores

2
2
1
Splicing: ADA: 0.1250
2

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 1.46
Variant links:
Genes affected
IL2RG (HGNC:6010): (interleukin 2 receptor subunit gamma) The protein encoded by this gene is an important signaling component of many interleukin receptors, including those of interleukin -2, -4, -7 and -21, and is thus referred to as the common gamma chain. Mutations in this gene cause X-linked severe combined immunodeficiency (XSCID), as well as X-linked combined immunodeficiency (XCID), a less severe immunodeficiency disorder. [provided by RefSeq, Mar 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 7 ACMG points.

PVS1
Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most 50 bp of the penultimate exon, not predicted to undergo nonsense mediated mRNA decay. Fraction of 0.168 CDS is truncated, and there are 0 pathogenic variants in the truncated region.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant X-71108278-G-T is Pathogenic according to our data. Variant chrX-71108278-G-T is described in ClinVar as [Pathogenic]. Clinvar id is 10018.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
IL2RGNM_000206.3 linkc.923C>A p.Ser308* stop_gained, splice_region_variant Exon 7 of 8 ENST00000374202.7 NP_000197.1 P31785-1
IL2RGXM_047442089.1 linkc.*43C>A splice_region_variant Exon 6 of 7 XP_047298045.1
IL2RGXM_047442089.1 linkc.*43C>A 3_prime_UTR_variant Exon 6 of 7 XP_047298045.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
IL2RGENST00000374202.7 linkc.923C>A p.Ser308* stop_gained, splice_region_variant Exon 7 of 8 1 NM_000206.3 ENSP00000363318.3 P31785-1
ENSG00000285171ENST00000646505.1 linkn.923C>A splice_region_variant, non_coding_transcript_exon_variant Exon 7 of 12 ENSP00000496673.1 A0A2R8YE73

Frequencies

GnomAD3 genomes
Cov.:
24
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1082718
Hom.:
0
Cov.:
28
AF XY:
0.00
AC XY:
0
AN XY:
350064
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
24

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

X-linked severe combined immunodeficiency Pathogenic:1
Nov 01, 2008
OMIM
Significance: Pathogenic
Review Status: no assertion criteria provided
Collection Method: literature only

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.52
D
BayesDel_noAF
Pathogenic
0.50
CADD
Pathogenic
36
DANN
Uncertain
1.0
FATHMM_MKL
Uncertain
0.77
D
Vest4
0.90
GERP RS
4.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.13
dbscSNV1_RF
Benign
0.41
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: rs137852509; hg19: chrX-70328128; API