Genetic Variant JAK3:p.Met610Ile (chr19-17836008-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_000215.4(JAK3):c.1830G>A(p.Met610Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,800 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as not provided (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. M610T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

JAK3
NM_000215.4 missense

Scores

Clinical Significance

not provided no classification provided O:1

Conservation

PhyloP100: -3.41

Publications

2 publications found

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 Gene-Disease associations (from GenCC):

T-B+ severe combined immunodeficiency due to JAK3 deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, ClinGen, Orphanet

JAK3 links:

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ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.1621126).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
JAK3	NM_000215.4 link	c.1830G>A	p.Met610Ile	missense_variant	Exon 14 of 24	ENST00000458235.7	NP_000206.2	P52333-1A0A024R7M7
JAK3	NM_001440439.1 link	c.1830G>A	p.Met610Ile	missense_variant	Exon 14 of 24		NP_001427368.1
JAK3	XR_007066796.1 link	n.1880G>A		non_coding_transcript_exon_variant	Exon 14 of 20
JAK3	XM_011527991.3 link	c.*909G>A		downstream_gene_variant			XP_011526293.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
JAK3	ENST00000458235.7 link	c.1830G>A	p.Met610Ile	missense_variant	Exon 14 of 24	5	NM_000215.4	ENSP00000391676.1		P52333-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461800

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727190

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53364

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5742

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112008

Other (OTH)

AF:

0.00

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: not provided

Submissions summary: Other:1

Revision: no classification provided

LINK: link

Submissions by phenotype

not specified

Other:1

Sep 19, 2013

ITMI

Significance:not provided

Review Status:no classification provided

Collection Method:reference population

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.14

BayesDel_addAF

Benign

-0.17

BayesDel_noAF

Benign

-0.49

CADD

Benign

0.0020

(source)

DANN

Benign

0.70

DEOGEN2

Benign

0.35

T;T;.

Eigen

Benign

-1.6

Eigen_PC

Benign

-1.7

FATHMM_MKL

Benign

0.037

LIST_S2

Benign

0.69

T;.;T

M_CAP

Benign

0.028

MetaRNN

Benign

0.16

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.93

L;L;L

PhyloP100

-3.4

PrimateAI

Benign

0.35

PROVEAN

Benign

0.30

N;N;N

REVEL

Benign

0.082

Sift

Benign

0.38

T;T;T

Sift4G

Benign

0.55

T;T;T

Polyphen

0.0040

B;B;B

Vest4

0.18

MutPred

0.51

Gain of catalytic residue at M610 (P = 0.001);Gain of catalytic residue at M610 (P = 0.001);Gain of catalytic residue at M610 (P = 0.001);

MVP

0.52

MPC

0.53

ClinPred

0.19

GERP RS

-9.9

Varity_R

0.051

gMVP

0.60

Mutation Taster

=90/10

polymorphism

(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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over