21-33432343-T-C

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_005534.4(IFNGR2):​c.721+7T>C variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00198 in 1,611,130 control chromosomes in the GnomAD database, including 60 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.011 ( 29 hom., cov: 33)
Exomes 𝑓: 0.0011 ( 31 hom. )

Consequence

IFNGR2
NM_005534.4 splice_region, intron

Scores

2
Splicing: ADA: 0.00009406
2

Clinical Significance

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

Conservation

PhyloP100: -1.43
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.81).
BP6
Variant 21-33432343-T-C is Benign according to our data. Variant chr21-33432343-T-C is described in ClinVar as [Benign]. Clinvar id is 474970.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0106 (1609/152268) while in subpopulation AFR AF= 0.0367 (1525/41546). AF 95% confidence interval is 0.0352. There are 29 homozygotes in gnomad4. There are 739 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 29 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IFNGR2NM_005534.4 linkuse as main transcriptc.721+7T>C splice_region_variant, intron_variant ENST00000290219.11 NP_005525.2
IFNGR2NM_001329128.2 linkuse as main transcriptc.778+7T>C splice_region_variant, intron_variant NP_001316057.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IFNGR2ENST00000290219.11 linkuse as main transcriptc.721+7T>C splice_region_variant, intron_variant 1 NM_005534.4 ENSP00000290219.5 P38484

Frequencies

GnomAD3 genomes
AF:
0.0106
AC:
1608
AN:
152150
Hom.:
28
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0368
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00341
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.0000943
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000191
Gnomad OTH
AF:
0.00764
GnomAD3 exomes
AF:
0.00283
AC:
711
AN:
251208
Hom.:
11
AF XY:
0.00211
AC XY:
287
AN XY:
135810
show subpopulations
Gnomad AFR exome
AF:
0.0393
Gnomad AMR exome
AF:
0.00124
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000194
Gnomad OTH exome
AF:
0.00163
GnomAD4 exome
AF:
0.00108
AC:
1573
AN:
1458862
Hom.:
31
Cov.:
31
AF XY:
0.000924
AC XY:
671
AN XY:
726050
show subpopulations
Gnomad4 AFR exome
AF:
0.0389
Gnomad4 AMR exome
AF:
0.00123
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000464
Gnomad4 FIN exome
AF:
0.0000749
Gnomad4 NFE exome
AF:
0.0000559
Gnomad4 OTH exome
AF:
0.00237
GnomAD4 genome
AF:
0.0106
AC:
1609
AN:
152268
Hom.:
29
Cov.:
33
AF XY:
0.00993
AC XY:
739
AN XY:
74450
show subpopulations
Gnomad4 AFR
AF:
0.0367
Gnomad4 AMR
AF:
0.00340
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000414
Gnomad4 FIN
AF:
0.0000943
Gnomad4 NFE
AF:
0.000191
Gnomad4 OTH
AF:
0.00756
Alfa
AF:
0.00561
Hom.:
8
Bravo
AF:
0.0123
Asia WGS
AF:
0.00115
AC:
4
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

Immunodeficiency 28 Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 29, 2024- -
not provided Benign:1
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.81
CADD
Benign
2.3
DANN
Benign
0.68

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000094
dbscSNV1_RF
Benign
0.0020
SpliceAI score (max)
0.040
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: rs41351148; hg19: chr21-34804650; API