3-9928619-C-T

Variant names:

• chr3-9928619-C-T
• rs773903331
• NM_153460.4:c.1099C>T

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_153460.4(IL17RC):​c.1099C>T​(p.Leu367Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000124 in 1,613,644 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L367V) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: IL17RC NM_153460.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.244
• Publications: 3 publications found

Genes affected

IL17RC (HGNC:18358): (interleukin 17 receptor C) This gene encodes a single-pass type I membrane protein that shares similarity with the interleukin-17 receptor (IL-17RA). Unlike IL-17RA, which is predominantly expressed in hemopoietic cells, and binds with high affinity to only IL-17A, this protein is expressed in nonhemopoietic tissues, and binds both IL-17A and IL-17F with similar affinities. The proinflammatory cytokines, IL-17A and IL-17F, have been implicated in the progression of inflammatory and autoimmune diseases. Multiple alternatively spliced transcript variants encoding different isoforms have been detected for this gene, and it has been proposed that soluble, secreted proteins lacking transmembrane and intracellular domains may function as extracellular antagonists to cytokine signaling. [provided by RefSeq, Feb 2011]

IL17RC Gene-Disease associations (from GenCC):

• chronic mucocutaneous candidiasis

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• candidiasis, familial, 9

  Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

ENSG00000288550 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.31312567).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_153460.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	IL17RC	NM_153460.4	MANE Select	c.1099C>T	p.Leu367Phe	missense	Exon 12 of 19	NP_703190.2	Q8NAC3-2
	IL17RC	NM_153461.4		c.1312C>T	p.Leu438Phe	missense	Exon 12 of 19	NP_703191.2	Q8NAC3-1
	IL17RC	NM_001203263.2		c.1099C>T	p.Leu367Phe	missense	Exon 12 of 18	NP_001190192.2	Q8NAC3-5

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	IL17RC	ENST00000403601.8	TSL:1 MANE Select	c.1099C>T	p.Leu367Phe	missense	Exon 12 of 19	ENSP00000384969.3	Q8NAC3-2
	IL17RC	ENST00000413608.2	TSL:1	c.1099C>T	p.Leu367Phe	missense	Exon 12 of 18	ENSP00000396064.1	Q8NAC3-5
	IL17RC	ENST00000383812.9	TSL:1	c.1054C>T	p.Leu352Phe	missense	Exon 11 of 18	ENSP00000373323.4	Q8NAC3-3

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152164 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000241

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

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461480 Hom.: 0 Cov.: 35 AF XY: 0.00 AC XY: 0 AN XY: 727002

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

African (AFR) AF: 0.0000299 AC: 1 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53022

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1112002

Other (OTH) AF: 0.00 AC: 0 AN: 60392

⚠️ 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.

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152164 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74338

African (AFR) AF: 0.0000241 AC: 1 AN: 41432

American (AMR) AF: 0.00 AC: 0 AN: 15286

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5194

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10624

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68006

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000151

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.34
BayesDel_addAF	Benign	-0.063	T
BayesDel_noAF	Benign	-0.33
CADD	Benign	23
DANN	Uncertain	1.0
DEOGEN2	Benign	0.29	T
Eigen	Benign	0.10
Eigen_PC	Benign	0.034
FATHMM_MKL	Benign	0.59	D
LIST_S2	Uncertain	0.90	D
M_CAP	Benign	0.015	T
MetaRNN	Benign	0.31	T
MetaSVM	Benign	-0.99	T
MutationAssessor	Benign	1.5	L
PhyloP100		0.24
PrimateAI	Benign	0.30	T
PROVEAN	Uncertain	-2.6	D
REVEL	Benign	0.20
Sift	Uncertain	0.015	D
Sift4G	Uncertain	0.011	D
Polyphen		0.90	P
Vest4		0.49
MutPred		0.34		Gain of methylation at K433 (P = 0.1211)
MVP		0.21
MPC		0.86
ClinPred		0.89	D
GERP RS		0.54
Varity_R		0.41
gMVP		0.64
Mutation Taster		=69/31	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.11		Details are displayed if max score is > 0.2

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

Other links and lift over

dbSNP: rs773903331; hg19: chr3-9970303; COSMIC: COSV55974246; COSMIC: COSV55974246;