Genetic Variant IRF2BP2:p.Val49Val (chr1-234609348-G-A) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_182972.3(IRF2BP2):c.147C>T(p.Val49Val) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000195 in 1,538,494 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. V49V) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 30)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

IRF2BP2
NM_182972.3 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.110

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 links:

LINC00184 (HGNC:37192): (long intergenic non-protein coding RNA 184)

LINC00184 links:

ENSG00000228830 (HGNC:):

ENSG00000228830 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.66).

BP7

Synonymous conserved (PhyloP=-0.11 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IRF2BP2	NM_182972.3 link	c.147C>T	p.Val49Val	synonymous_variant	Exon 1 of 2	ENST00000366609.4	NP_892017.2	Q7Z5L9-1
IRF2BP2	NM_001077397.1 link	c.147C>T	p.Val49Val	synonymous_variant	Exon 1 of 2		NP_001070865.1	Q7Z5L9-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
IRF2BP2	ENST00000366609.4 link	c.147C>T	p.Val49Val	synonymous_variant	Exon 1 of 2	1	NM_182972.3	ENSP00000355568.3	Q7Z5L9-1
IRF2BP2	ENST00000366610.8 link	c.147C>T	p.Val49Val	synonymous_variant	Exon 1 of 2	1		ENSP00000355569.3	Q7Z5L9-2
LINC00184	ENST00000796406.1 link	n.54G>A		non_coding_transcript_exon_variant	Exon 1 of 4
ENSG00000228830	ENST00000436039.1 link	n.631-73G>A		intron_variant	Intron 1 of 1	3

Frequencies

GnomAD3 genomes

AF:

0.00000660

AC:

AN:

151434

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

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:

155816

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:

0.00000144

AC:

AN:

1387060

Hom.:

Cov.:

AF XY:

0.00000291

AC XY:

AN XY:

687642

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

28370

American (AMR)

AF:

0.00

AC:

AN:

35838

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24234

East Asian (EAS)

AF:

0.0000314

AC:

AN:

31828

South Asian (SAS)

AF:

0.00

AC:

AN:

78320

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48916

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4848

European-Non Finnish (NFE)

AF:

9.28e-7

AC:

AN:

1077598

Other (OTH)

AF:

0.00

AC:

AN:

57108

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000660

AC:

AN:

151434

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73950

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41338

American (AMR)

AF:

0.00

AC:

AN:

15238

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5154

South Asian (SAS)

AF:

0.000207

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10300

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67806

Other (OTH)

AF:

0.00

AC:

AN:

2076

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.66

CADD

Benign

9.0

(source)

DANN

Benign

0.89

PhyloP100

-0.11

PromoterAI

-0.015

Neutral

(source)

Mutation Taster

=98/2

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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1-234609348-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over