19-17844390-G-C

Position:

chr19-17844390-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 4P and 1B. PM1PM2BP4

The NM_000215.4(JAK3):c.28C>G(p.Leu10Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,611,952 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

JAK3
NM_000215.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.33

Variant links:

Genes affected

JAK3 (HGNC:6193): (Janus kinase 3) The protein encoded by this gene is a member of the Janus kinase (JAK) family of tyrosine kinases involved in cytokine receptor-mediated intracellular signal transduction. It is predominantly expressed in immune cells and transduces a signal in response to its activation via tyrosine phosphorylation by interleukin receptors. Mutations in this gene are associated with autosomal SCID (severe combined immunodeficiency disease). [provided by RefSeq, Jul 2008]

JAK3 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM1

In a region_of_interest Interaction with cytokine/interferon/growth hormone receptors (size 222) in uniprot entity JAK3_HUMAN there are 5 pathogenic changes around while only 1 benign (83%) in NM_000215.4

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.37212655).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
JAK3	NM_000215.4 linkuse as main transcript	c.28C>G	p.Leu10Val	missense_variant	2/24	ENST00000458235.7	NP_000206.2
JAK3	XM_047438786.1 linkuse as main transcript	c.28C>G	p.Leu10Val	missense_variant	2/24		XP_047294742.1
JAK3	XM_011527991.3 linkuse as main transcript	c.28C>G	p.Leu10Val	missense_variant	2/14		XP_011526293.2
JAK3	XR_007066796.1 linkuse as main transcript	n.78C>G		non_coding_transcript_exon_variant	2/20

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
JAK3	ENST00000458235.7 linkuse as main transcript	c.28C>G	p.Leu10Val	missense_variant	2/24	5	NM_000215.4	ENSP00000391676	P1	P52333-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152182

Hom.:

Cov.:

show subpopulations

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:

0.00000480

AC:

AN:

1459770

Hom.:

Cov.:

AF XY:

0.00000551

AC XY:

AN XY:

726080

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000540

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152182

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74342

show subpopulations

Gnomad4 AFR

AF:

0.0000241

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000282

Hom.:

Bravo

AF:

0.0000189

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

T-B+ severe combined immunodeficiency due to JAK3 deficiency

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Feb 05, 2022

This sequence change replaces leucine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 10 of the JAK3 protein (p.Leu10Val). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with JAK3-related conditions. ClinVar contains an entry for this variant (Variation ID: 532748). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt JAK3 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Uncertain

0.023

BayesDel_noAF

Benign

-0.21

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.21

T;T;.

Eigen

Benign

0.0082

Eigen_PC

Benign

-0.080

FATHMM_MKL

Uncertain

0.94

LIST_S2

Benign

0.79

T;.;T

M_CAP

Pathogenic

0.32

MetaRNN

Benign

0.37

T;T;T

MetaSVM

Uncertain

-0.13

MutationAssessor

Benign

0.69

N;N;N

MutationTaster

Benign

0.88

D;D;D

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-0.71

N;N;N

REVEL

Uncertain

0.32

Sift

Benign

0.032

D;D;D

Sift4G

Uncertain

0.013

D;D;D

Polyphen

0.99

D;D;D

Vest4

0.36

MutPred

0.086

Loss of glycosylation at P9 (P = 0.0981);Loss of glycosylation at P9 (P = 0.0981);Loss of glycosylation at P9 (P = 0.0981);

MVP

0.81

MPC

1.1

ClinPred

0.86

GERP RS

3.2

Varity_R

0.090

gMVP

0.29

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over