21-33403599-C-T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_005534.4(IFNGR2):c.56C>T(p.Ala19Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000511 in 1,369,058 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/23 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

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

Exomes 𝑓: 0.0000033 ( 0 hom. )

Consequence

IFNGR2
NM_005534.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.269

Variant links:

Genes affected

IFNGR2 (HGNC:5440): (interferon gamma receptor 2) This gene (IFNGR2) encodes the non-ligand-binding beta chain of the gamma interferon receptor. Human interferon-gamma receptor is a heterodimer of IFNGR1 and IFNGR2. Defects in IFNGR2 are a cause of mendelian susceptibility to mycobacterial disease (MSMD), also known as familial disseminated atypical mycobacterial infection. MSMD is a genetically heterogeneous disease with autosomal recessive, autosomal dominant or X-linked inheritance. [provided by RefSeq, Jul 2008]

IFNGR2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.2662083).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IFNGR2	NM_005534.4 link	c.56C>T	p.Ala19Val	missense_variant	Exon 1 of 7	ENST00000290219.11	NP_005525.2
IFNGR2	NM_001329128.2 link	c.56C>T	p.Ala19Val	missense_variant	Exon 1 of 8		NP_001316057.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IFNGR2	ENST00000290219.11 link	c.56C>T	p.Ala19Val	missense_variant	Exon 1 of 7	1	NM_005534.4	ENSP00000290219.5		P38484

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

151406

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000484

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00

AC:

AN:

49506

AF XY:

0.00

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000329

AC:

AN:

1217544

Hom.:

Cov.:

AF XY:

0.00000503

AC XY:

AN XY:

596870

show subpopulations

Gnomad4 AFR exome

AF:

0.0000818

AC:

AN:

24444

Gnomad4 AMR exome

AF:

0.00

AC:

AN:

18306

Gnomad4 ASJ exome

AF:

0.00

AC:

AN:

19522

Gnomad4 EAS exome

AF:

0.00

AC:

AN:

26314

Gnomad4 SAS exome

AF:

0.00

AC:

AN:

56604

Gnomad4 FIN exome

AF:

0.00

AC:

AN:

28674

Gnomad4 NFE exome

AF:

0.00

AC:

AN:

991074

Gnomad4 Remaining exome

AF:

0.0000407

AC:

AN:

49164

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

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

AF:

0.0000198

AC:

AN:

151514

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74062

show subpopulations

Gnomad4 AFR

AF:

0.0000483

AC:

0.0000482532

AN:

0.0000482532

Gnomad4 AMR

AF:

0.00

AC:

AN:

Gnomad4 ASJ

AF:

0.00

AC:

AN:

Gnomad4 EAS

AF:

0.00

AC:

AN:

Gnomad4 SAS

AF:

0.00

AC:

AN:

Gnomad4 FIN

AF:

0.00

AC:

AN:

Gnomad4 NFE

AF:

0.00

AC:

AN:

Gnomad4 OTH

AF:

0.000475

AC:

0.000474834

AN:

0.000474834

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

Asia WGS

AF:

0.000586

AC:

AN:

3426

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Immunodeficiency 28

Uncertain:1

Jul 19, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 19 of the IFNGR2 protein (p.Ala19Val). This variant is present in population databases (no rsID available, gnomAD 0.02%). This variant has not been reported in the literature in individuals affected with IFNGR2-related conditions. ClinVar contains an entry for this variant (Variation ID: 666003). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Not Available"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.34

BayesDel_addAF

Benign

-0.10

BayesDel_noAF

Benign

-0.39

CADD

Benign

DANN

Uncertain

0.98

DEOGEN2

Benign

0.090

T;.

Eigen

Benign

-0.40

Eigen_PC

Benign

-0.67

FATHMM_MKL

Benign

0.017

LIST_S2

Benign

0.50

T;T

M_CAP

Benign

0.040

MetaRNN

Benign

0.27

T;T

MetaSVM

Benign

-0.87

MutationAssessor

Benign

1.0

L;.

PrimateAI

Uncertain

0.55

PROVEAN

Benign

0.16

N;N

REVEL

Benign

0.12

Sift

Benign

0.12

T;D

Sift4G

Benign

0.062

T;D

Polyphen

0.99

D;D

Vest4

0.26

MutPred

0.33

Loss of glycosylation at P23 (P = 0.1209);Loss of glycosylation at P23 (P = 0.1209);

MVP

0.75

MPC

0.40

ClinPred

0.45

GERP RS

1.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.2

Varity_R

0.077

gMVP

0.30

Mutation Taster

=91/9

polymorphism

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