chr1-64835986-C-A

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBA1

The NM_002227.4(JAK1):​c.3258+112G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.427 in 675,290 control chromosomes in the GnomAD database, including 68,755 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.52 ( 23604 hom., cov: 32)
Exomes 𝑓: 0.40 ( 45151 hom. )

Consequence

JAK1
NM_002227.4 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.845
Variant links:
Genes affected
JAK1 (HGNC:6190): (Janus kinase 1) This gene encodes a membrane protein that is a member of a class of protein-tyrosine kinases (PTK) characterized by the presence of a second phosphotransferase-related domain immediately N-terminal to the PTK domain. The encoded kinase phosphorylates STAT proteins (signal transducers and activators of transcription) and plays a key role in interferon-alpha/beta, interferon-gamma, and cytokine signal transduction. This gene plays a crucial role in effecting the expression of genes that mediate inflammation, epithelial remodeling, and metastatic cancer progression. This gene is a key component of the interleukin-6 (IL-6)/JAK1/STAT3 immune and inflammation response and is a therapeutic target for alleviating cytokine storms. The kinase activity of this gene is directly inhibited by the suppressor of cytokine signalling 1 (SOCS1) protein. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2020]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.86).
BP6
Variant 1-64835986-C-A is Benign according to our data. Variant chr1-64835986-C-A is described in ClinVar as [Benign]. Clinvar id is 2688493.Status of the report is criteria_provided_single_submitter, 1 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.833 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
JAK1NM_002227.4 linkuse as main transcriptc.3258+112G>T intron_variant ENST00000342505.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
JAK1ENST00000342505.5 linkuse as main transcriptc.3258+112G>T intron_variant 5 NM_002227.4 A1

Frequencies

GnomAD3 genomes
AF:
0.515
AC:
78104
AN:
151734
Hom.:
23546
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.840
Gnomad AMI
AF:
0.359
Gnomad AMR
AF:
0.470
Gnomad ASJ
AF:
0.481
Gnomad EAS
AF:
0.612
Gnomad SAS
AF:
0.355
Gnomad FIN
AF:
0.420
Gnomad MID
AF:
0.351
Gnomad NFE
AF:
0.351
Gnomad OTH
AF:
0.484
GnomAD4 exome
AF:
0.401
AC:
210097
AN:
523438
Hom.:
45151
AF XY:
0.395
AC XY:
110086
AN XY:
278370
show subpopulations
Gnomad4 AFR exome
AF:
0.841
Gnomad4 AMR exome
AF:
0.513
Gnomad4 ASJ exome
AF:
0.470
Gnomad4 EAS exome
AF:
0.594
Gnomad4 SAS exome
AF:
0.359
Gnomad4 FIN exome
AF:
0.404
Gnomad4 NFE exome
AF:
0.353
Gnomad4 OTH exome
AF:
0.430
GnomAD4 genome
AF:
0.515
AC:
78227
AN:
151852
Hom.:
23604
Cov.:
32
AF XY:
0.515
AC XY:
38174
AN XY:
74168
show subpopulations
Gnomad4 AFR
AF:
0.840
Gnomad4 AMR
AF:
0.470
Gnomad4 ASJ
AF:
0.481
Gnomad4 EAS
AF:
0.612
Gnomad4 SAS
AF:
0.356
Gnomad4 FIN
AF:
0.420
Gnomad4 NFE
AF:
0.351
Gnomad4 OTH
AF:
0.489
Alfa
AF:
0.470
Hom.:
2378
Bravo
AF:
0.538
Asia WGS
AF:
0.525
AC:
1824
AN:
3478

ClinVar

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

Submissions by phenotype

not specified Benign:1
Benign, criteria provided, single submitterclinical testingUnidad de Genómica Garrahan, Hospital de Pediatría GarrahanJan 24, 2024This variant is classified as Benign based on local population frequency. This variant was detected in 23% of patients studied by a panel of primary immunodeficiencies. Number of patients: 20. Only high quality variants are reported. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.86
CADD
Benign
1.8
DANN
Benign
0.40

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: rs2254002; hg19: chr1-65301669; COSMIC: COSV53810753; COSMIC: COSV53810753; API