1-234607145-C-T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_182972.3(IRF2BP2):c.1756G>A(p.Asp586Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000688 in 1,453,478 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

IRF2BP2
NM_182972.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.86

Publications

0 publications found

Variant links:

Genes affected

IRF2BP2 (HGNC:21729): (interferon regulatory factor 2 binding protein 2) This gene encodes an interferon regulatory factor-2 (IRF2) binding protein that interacts with the C-terminal transcriptional repression domain of IRF2. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Jul 2008]

IRF2BP2 Gene-Disease associations (from GenCC):

immunodeficiency, common variable, 14
Inheritance: AD, Unknown Classification: LIMITED Submitted by: ClinGen, Ambry Genetics, Labcorp Genetics (formerly Invitae)

IRF2BP2 links:

ENSG00000228830 (HGNC:):

ENSG00000228830 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IRF2BP2	NM_182972.3 link	c.1756G>A	p.Asp586Asn	missense_variant	Exon 2 of 2	ENST00000366609.4	NP_892017.2	Q7Z5L9-1
IRF2BP2	NM_001077397.1 link	c.1708G>A	p.Asp570Asn	missense_variant	Exon 2 of 2		NP_001070865.1	Q7Z5L9-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
IRF2BP2	ENST00000366609.4 link	c.1756G>A	p.Asp586Asn	missense_variant	Exon 2 of 2	1	NM_182972.3	ENSP00000355568.3	Q7Z5L9-1
IRF2BP2	ENST00000366610.8 link	c.1708G>A	p.Asp570Asn	missense_variant	Exon 2 of 2	1		ENSP00000355569.3	Q7Z5L9-2
ENSG00000228830	ENST00000436039.1 link	n.138C>T		non_coding_transcript_exon_variant	Exon 1 of 2	3
IRF2BP2	ENST00000491430.1 link	n.*86G>A		downstream_gene_variant		1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000401

AC:

AN:

249122

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000645

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:

6.88e-7

AC:

AN:

1453478

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

721574

show subpopulations

African (AFR)

AF:

0.0000301

AC:

AN:

33204

American (AMR)

AF:

0.00

AC:

AN:

44234

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25928

East Asian (EAS)

AF:

0.00

AC:

AN:

39500

South Asian (SAS)

AF:

0.00

AC:

AN:

86046

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53246

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5670

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1105692

Other (OTH)

AF:

0.00

AC:

AN:

59958

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Oct 16, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

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: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals affected with IRF2BP2-related conditions. This variant is present in population databases (rs767704918, gnomAD 0.007%). This sequence change replaces aspartic acid, which is acidic and polar, with asparagine, which is neutral and polar, at codon 586 of the IRF2BP2 protein (p.Asp586Asn). 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

Pathogenic

0.70

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.37

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.19

.;T

Eigen

Pathogenic

0.84

Eigen_PC

Pathogenic

0.83

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.93

D;D

M_CAP

Benign

0.014

MetaRNN

Uncertain

0.50

T;T

MetaSVM

Benign

-0.60

MutationAssessor

Benign

1.8

.;L

PhyloP100

7.9

PrimateAI

Uncertain

0.75

PROVEAN

Pathogenic

-4.7

D;D

REVEL

Benign

0.29

Sift

Uncertain

0.0010

D;D

Sift4G

Uncertain

0.0030

D;D

Polyphen

1.0

D;D

Vest4

0.55

MutPred

0.24

.;Gain of MoRF binding (P = 0.011);

MVP

0.67

MPC

0.30

ClinPred

0.99

GERP RS

5.6

Varity_R

0.72

gMVP

0.62

Mutation Taster

=62/38

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

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1-234607145-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over