dbSNP rs35098579: STAT1:p.Lys673Lys (chr2-190976880-T-C) – ACMG Classification: Benign (-21 pts)

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_007315.4(STAT1):c.2019A>G(p.Lys673Lys) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000623 in 1,614,216 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0034 ( 4 hom., cov: 32)

Exomes 𝑓: 0.00034 ( 2 hom. )

Consequence

STAT1
NM_007315.4 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.527

Publications

2 publications found

Variant links:

Genes affected

STAT1 (HGNC:11362): (signal transducer and activator of transcription 1) The protein encoded by this gene is a member of the STAT protein family. In response to cytokines and growth factors, STAT family members are phosphorylated by the receptor associated kinases, and then form homo- or heterodimers that translocate to the cell nucleus where they act as transcription activators. The protein encoded by this gene can be activated by various ligands including interferon-alpha, interferon-gamma, EGF, PDGF and IL6. This protein mediates the expression of a variety of genes, which is thought to be important for cell viability in response to different cell stimuli and pathogens. The protein plays an important role in immune responses to viral, fungal and mycobacterial pathogens. Mutations in this gene are associated with Immunodeficiency 31B, 31A, and 31C. [provided by RefSeq, Jun 2020]

STAT1 Gene-Disease associations (from GenCC):

autoimmune enteropathy and endocrinopathy - susceptibility to chronic infections syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, Illumina, Labcorp Genetics (formerly Invitae), ClinGen
Mendelian susceptibility to mycobacterial diseases due to partial STAT1 deficiency
Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics
immunodeficiency 31B
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: Orphanet, G2P, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics

STAT1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.57).

BP6

Variant 2-190976880-T-C is Benign according to our data. Variant chr2-190976880-T-C is described in ClinVar as Benign. ClinVar VariationId is 474981.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.527 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00336 (512/152336) while in subpopulation AFR AF = 0.0117 (485/41556). AF 95% confidence interval is 0.0108. There are 4 homozygotes in GnomAd4. There are 228 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 4 AR,AD gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_007315.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
STAT1	NM_007315.4	MANE Select	c.2019A>G	p.Lys673Lys	synonymous	Exon 22 of 25	NP_009330.1	P42224-1
STAT1	NM_001384891.1		c.2055A>G	p.Lys685Lys	synonymous	Exon 22 of 25	NP_001371820.1
STAT1	NM_001384886.1		c.2019A>G	p.Lys673Lys	synonymous	Exon 22 of 25	NP_001371815.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
STAT1	ENST00000361099.8	TSL:1 MANE Select	c.2019A>G	p.Lys673Lys	synonymous	Exon 22 of 25	ENSP00000354394.4	P42224-1
STAT1	ENST00000409465.5	TSL:1	c.2019A>G	p.Lys673Lys	synonymous	Exon 21 of 24	ENSP00000386244.1	P42224-1
STAT1	ENST00000392322.7	TSL:1	c.2019A>G	p.Lys673Lys	synonymous	Exon 22 of 23	ENSP00000376136.3	P42224-2

Frequencies

GnomAD3 genomes

AF:

0.00332

AC:

505

AN:

152218

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0115

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00105

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:

0.00383

GnomAD2 exomes

AF:

0.000907

AC:

228

AN:

251460

AF XY:

0.000721

show subpopulations

Gnomad AFR exome

AF:

0.0129

Gnomad AMR exome

AF:

0.000231

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000264

Gnomad OTH exome

AF:

0.000652

GnomAD4 exome

AF:

0.000338

AC:

494

AN:

1461880

Hom.:

Cov.:

AF XY:

0.000292

AC XY:

212

AN XY:

727244

show subpopulations

African (AFR)

AF:

0.0131

AC:

437

AN:

33480

American (AMR)

AF:

0.000268

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.0000464

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000450

AC:

AN:

1112000

Other (OTH)

AF:

0.000563

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

110

137

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00336

AC:

512

AN:

152336

Hom.:

Cov.:

AF XY:

0.00306

AC XY:

228

AN XY:

74500

show subpopulations

African (AFR)

AF:

0.0117

AC:

485

AN:

41556

American (AMR)

AF:

0.00105

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.000207

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68038

Other (OTH)

AF:

0.00379

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

122

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00123

Hom.:

Bravo

AF:

0.00383

Asia WGS

AF:

0.000866

AC:

AN:

3478

ClinVar

ClinVar submissions as Germline

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Immunodeficiency 31B;C3279990:Autoimmune enteropathy and endocrinopathy - susceptibility to chronic infections syndrome;C4013950:Mendelian susceptibility to mycobacterial diseases due to partial STAT1 deficiency (1)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.57

CADD

Benign

8.8

(source)

DANN

Benign

0.65

PhyloP100

0.53

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=85/15

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over