19-39244148-G-A

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_172139.4(IFNL3):​c.268C>T​(p.Arg90Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000026 in 1,614,136 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

IFNL3
NM_172139.4 missense

Scores

2
8
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.997
Variant links:
Genes affected
IFNL3 (HGNC:18365): (interferon lambda 3) This gene encodes a cytokine distantly related to type I interferons and the IL-10 family. This gene, interleukin 28A (IL28A), and interleukin 29 (IL29) are three closely related cytokine genes that form a cytokine gene cluster on a chromosomal region mapped to 19q13. Expression of the cytokines encoded by the three genes can be induced by viral infection. All three cytokines have been shown to interact with a heterodimeric class II cytokine receptor that consists of interleukin 10 receptor, beta (IL10RB) and interleukin 28 receptor, alpha (IL28RA). [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2
High AC in GnomAd4 at 11 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IFNL3NM_172139.4 linkuse as main transcriptc.268C>T p.Arg90Cys missense_variant 3/5 ENST00000413851.3 NP_742151.2
IFNL3NM_001346937.2 linkuse as main transcriptc.280C>T p.Arg94Cys missense_variant 4/6 NP_001333866.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IFNL3ENST00000413851.3 linkuse as main transcriptc.268C>T p.Arg90Cys missense_variant 3/51 NM_172139.4 ENSP00000409000 A2
IFNL3ENST00000613087.5 linkuse as main transcriptc.280C>T p.Arg94Cys missense_variant 4/61 ENSP00000481633 P4

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152170
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000193
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000359
AC:
9
AN:
250536
Hom.:
0
AF XY:
0.0000295
AC XY:
4
AN XY:
135682
show subpopulations
Gnomad AFR exome
AF:
0.000378
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000883
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000212
AC:
31
AN:
1461848
Hom.:
0
Cov.:
33
AF XY:
0.0000248
AC XY:
18
AN XY:
727220
show subpopulations
Gnomad4 AFR exome
AF:
0.000209
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000162
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000722
AC:
11
AN:
152288
Hom.:
0
Cov.:
32
AF XY:
0.0000806
AC XY:
6
AN XY:
74474
show subpopulations
Gnomad4 AFR
AF:
0.000192
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000982
ESP6500AA
AF:
0.000908
AC:
4
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000577
AC:
7
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 01, 2022The c.268C>T (p.R90C) alteration is located in exon 3 (coding exon 3) of the IFNL3 gene. This alteration results from a C to T substitution at nucleotide position 268, causing the arginine (R) at amino acid position 90 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.46
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.30
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.10
.;T
Eigen
Uncertain
0.24
Eigen_PC
Benign
0.051
FATHMM_MKL
Benign
0.48
N
LIST_S2
Uncertain
0.90
D;D
M_CAP
Benign
0.061
D
MetaRNN
Uncertain
0.52
D;D
MetaSVM
Benign
-0.58
T
MutationAssessor
Uncertain
2.4
.;M
MutationTaster
Benign
0.99
D
PrimateAI
Uncertain
0.50
T
PROVEAN
Pathogenic
-7.7
.;D
REVEL
Benign
0.27
Sift
Uncertain
0.016
.;D
Sift4G
Pathogenic
0.0
D;D
Polyphen
1.0
.;D
Vest4
0.54
MVP
0.60
MPC
0.86
ClinPred
0.78
D
GERP RS
2.1
Varity_R
0.85
gMVP
0.52

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs151331735; hg19: chr19-39734788; API