dbSNP rs10903034: IFNLR1:c.*2715G>A (chr1-24154415-C-T) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_170743.4(IFNLR1):c.*2715G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.539 in 152,096 control chromosomes in the GnomAD database, including 22,410 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.54 ( 22405 hom., cov: 33)

Exomes 𝑓: 0.67 ( 5 hom. )

Consequence

IFNLR1
NM_170743.4 3_prime_UTR

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -2.31

Publications

18 publications found

Variant links:

Genes affected

IFNLR1 (HGNC:18584): (interferon lambda receptor 1) The protein encoded by this gene belongs to the class II cytokine receptor family. This protein forms a receptor complex with interleukine 10 receptor, beta (IL10RB). The receptor complex has been shown to interact with three closely related cytokines, including interleukin 28A (IL28A), interleukin 28B (IL28B), and interleukin 29 (IL29). The expression of all three cytokines can be induced by viral infection. The cells overexpressing this protein have been found to have enhanced responses to IL28A and IL29, but decreased response to IL28B. Three alternatively spliced transcript variants encoding distinct isoforms have been reported. [provided by RefSeq, Jul 2008]

IFNLR1 links:

LOC124903879 (HGNC:):

LOC124903879 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.93).

BA1

GnomAd4 highest subpopulation (AMR) allele frequency at 95% confidence interval = 0.562 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IFNLR1	NM_170743.4 link	c.*2715G>A		3_prime_UTR_variant	Exon 7 of 7	ENST00000327535.6	NP_734464.1	Q8IU57-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IFNLR1	ENST00000327535.6 link	c.*2715G>A		3_prime_UTR_variant	Exon 7 of 7	1	NM_170743.4	ENSP00000327824.1		Q8IU57-1

Frequencies

GnomAD3 genomes

AF:

0.539

AC:

81968

AN:

151954

Hom.:

22392

Cov.:

show subpopulations

Gnomad AFR

AF:

0.514

Gnomad AMI

AF:

0.519

Gnomad AMR

AF:

0.572

Gnomad ASJ

AF:

0.554

Gnomad EAS

AF:

0.304

Gnomad SAS

AF:

0.464

Gnomad FIN

AF:

0.670

Gnomad MID

AF:

0.544

Gnomad NFE

AF:

0.549

Gnomad OTH

AF:

0.567

GnomAD4 exome

AF:

0.667

AC:

AN:

Hom.:

Cov.:

AF XY:

0.625

AC XY:

AN XY:

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AC:

AN:

American (AMR)

AC:

AN:

Ashkenazi Jewish (ASJ)

AC:

AN:

East Asian (EAS)

AC:

AN:

South Asian (SAS)

AC:

AN:

European-Finnish (FIN)

AF:

0.643

AC:

AN:

Middle Eastern (MID)

AC:

AN:

European-Non Finnish (NFE)

AF:

0.750

AC:

AN:

Other (OTH)

AF:

0.500

AC:

AN:

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.0123328), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.383

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

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:

0.539

AC:

82021

AN:

152072

Hom.:

22405

Cov.:

AF XY:

0.542

AC XY:

40303

AN XY:

74356

show subpopulations

African (AFR)

AF:

0.513

AC:

21294

AN:

41474

American (AMR)

AF:

0.572

AC:

8737

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.554

AC:

1920

AN:

3466

East Asian (EAS)

AF:

0.305

AC:

1574

AN:

5162

South Asian (SAS)

AF:

0.463

AC:

2233

AN:

4828

European-Finnish (FIN)

AF:

0.670

AC:

7080

AN:

10562

Middle Eastern (MID)

AF:

0.548

AC:

161

AN:

294

European-Non Finnish (NFE)

AF:

0.549

AC:

37349

AN:

67980

Other (OTH)

AF:

0.569

AC:

1201

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

1935

3870

5804

7739

9674

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

702

1404

2106

2808

3510

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.546

Hom.:

37993

Bravo

AF:

0.531

Asia WGS

AF:

0.421

AC:

1461

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.93

CADD

Benign

0.11

(source)

DANN

Benign

0.66

PhyloP100

-2.3

Mutation Taster

=100/0

polymorphism (auto)

(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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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