Genetic Variant IL6R:c.86-4427T>G (chr1-154424769-T-G) – ACMG Classification: Benign (-12 pts)

Variant summary

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

The NM_000565.4(IL6R):c.86-4427T>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0227 in 152,286 control chromosomes in the GnomAD database, including 131 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 0.023 ( 131 hom., cov: 32)

Consequence

IL6R
NM_000565.4 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.10

Publications

2 publications found

Variant links:

Genes affected

IL6R (HGNC:6019): (interleukin 6 receptor) This gene encodes a subunit of the interleukin 6 (IL6) receptor complex. Interleukin 6 is a potent pleiotropic cytokine that regulates cell growth and differentiation and plays an important role in the immune response. The IL6 receptor is a protein complex consisting of this protein and interleukin 6 signal transducer (IL6ST/GP130/IL6-beta), a receptor subunit also shared by many other cytokines. Dysregulated production of IL6 and this receptor are implicated in the pathogenesis of many diseases, such as multiple myeloma, autoimmune diseases and prostate cancer. Alternatively spliced transcript variants encoding distinct isoforms have been identified in this gene. A pseudogene of this gene is found on chromosome 9. [provided by RefSeq, Aug 2020]

IL6R Gene-Disease associations (from GenCC):

hyper-IgE recurrent infection syndrome 5, autosomal recessive
Inheritance: AR Classification: STRONG, MODERATE, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), ClinGen

IL6R 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 (AFR) allele frequency at 95% confidence interval = 0.0766 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IL6R	NM_000565.4 link	c.86-4427T>G		intron_variant	Intron 1 of 9	ENST00000368485.8	NP_000556.1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein
IL6R	ENST00000368485.8 link	c.86-4427T>G	intron_variant	Intron 1 of 9	1	NM_000565.4	ENSP00000357470.3
IL6R	ENST00000344086.8 link	c.86-4427T>G	intron_variant	Intron 1 of 8	1		ENSP00000340589.4
IL6R	ENST00000622330.5 link	c.86-4427T>G	intron_variant	Intron 1 of 6	1		ENSP00000477739.1
IL6R	ENST00000512471.1 link	c.86-4427T>G	intron_variant	Intron 1 of 3	4		ENSP00000423184.1

Frequencies

GnomAD3 genomes

AF:

0.0225

AC:

3427

AN:

152168

Hom.:

124

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0784

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00779

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.0190

Gnomad NFE

AF:

0.000294

Gnomad OTH

AF:

0.0158

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome

AF:

0.0227

AC:

3453

AN:

152286

Hom.:

131

Cov.:

AF XY:

0.0223

AC XY:

1664

AN XY:

74458

show subpopulations

African (AFR)

AF:

0.0788

AC:

3274

AN:

41532

American (AMR)

AF:

0.00778

AC:

119

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.000414

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.0170

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000294

AC:

AN:

68032

Other (OTH)

AF:

0.0156

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

154

308

463

617

771

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

120

160

200

<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:

0.00307

Hom.:

Bravo

AF:

0.0249

Asia WGS

AF:

0.00837

AC:

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

0.31

(source)

DANN

Benign

0.50

PhyloP100

-1.1

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over