Genetic Variant IL20RA:c.725-6_725-5dupTT (chr6-137004764-T-TAA) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_014432.4(IL20RA):c.725-6_725-5dupTT variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000034 ( 0 hom., cov: 0)

Exomes 𝑓: 0.00019 ( 0 hom. )

Consequence

IL20RA
NM_014432.4 splice_region, intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.60

Publications

2 publications found

Variant links:

Genes affected

IL20RA (HGNC:6003): (interleukin 20 receptor subunit alpha) This gene encodes a member of the type II cytokine receptor family. The encoded protein is a subunit of the receptor for interleukin 20, a cytokine that may be involved in epidermal function. The interleukin 20 receptor is a heterodimeric complex consisting of the encoded protein and interleukin 20 receptor beta. This gene and interleukin 20 receptor beta are highly expressed in skin, and are upregulated in psoriasis. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2013]

IL20RA links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IL20RA	NM_014432.4 link	c.725-6_725-5dupTT		splice_region_variant, intron_variant	Intron 5 of 6	ENST00000316649.10	NP_055247.4	Q9UHF4-1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein	UniProt
IL20RA	ENST00000316649.10 link	c.725-5_725-4insTT	splice_region_variant, intron_variant	Intron 5 of 6	1	NM_014432.4	ENSP00000314976.5	Q9UHF4-1
IL20RA	ENST00000367748.4 link	c.392-5_392-4insTT	splice_region_variant, intron_variant	Intron 4 of 5	1		ENSP00000356722.1	Q9UHF4-2
IL20RA	ENST00000541547.5 link	c.578-5_578-4insTT	splice_region_variant, intron_variant	Intron 5 of 6	2		ENSP00000437843.1	Q9UHF4-3
IL20RA	ENST00000468393.5 link	c.392-5_392-4insTT	splice_region_variant, intron_variant	Intron 4 of 4	4		ENSP00000489177.1	A0A0U1RQU9

Frequencies

GnomAD3 genomes

AF:

0.0000342

AC:

AN:

146040

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000128

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:

0.000515

AC:

AN:

151602

AF XY:

0.000455

show subpopulations

Gnomad AFR exome

AF:

0.00527

Gnomad AMR exome

AF:

0.000586

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000923

Gnomad OTH exome

AF:

0.000289

GnomAD4 exome

AF:

0.000187

AC:

243

AN:

1298246

Hom.:

Cov.:

AF XY:

0.000182

AC XY:

118

AN XY:

647076

show subpopulations

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

African (AFR)

AF:

0.00674

AC:

191

AN:

28358

American (AMR)

AF:

0.000456

AC:

AN:

28532

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

22224

East Asian (EAS)

AF:

0.00

AC:

AN:

36690

South Asian (SAS)

AF:

0.0000275

AC:

AN:

72854

European-Finnish (FIN)

AF:

0.00

AC:

AN:

43602

Middle Eastern (MID)

AF:

0.000208

AC:

AN:

4802

European-Non Finnish (NFE)

AF:

0.0000159

AC:

AN:

1007314

Other (OTH)

AF:

0.000371

AC:

AN:

53870

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.278

Heterozygous variant carriers

106

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:

0.0000342

AC:

AN:

146040

Hom.:

Cov.:

AF XY:

0.0000423

AC XY:

AN XY:

70852

show subpopulations

African (AFR)

AF:

0.000128

AC:

AN:

39192

American (AMR)

AF:

0.00

AC:

AN:

14824

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3440

East Asian (EAS)

AF:

0.00

AC:

AN:

5086

South Asian (SAS)

AF:

0.00

AC:

AN:

4652

European-Finnish (FIN)

AF:

0.00

AC:

AN:

8870

Middle Eastern (MID)

AF:

0.00

AC:

AN:

312

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

66740

Other (OTH)

AF:

0.00

AC:

AN:

2018

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.465

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

1.6

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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6-137004764-TAAAAAA-TAAAAAAAA

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