rs747309962

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_015046.7(SETX):c.6172A>C(p.Lys2058Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000527 in 1,461,552 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000053 ( 0 hom. )

Consequence

SETX
NM_015046.7 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:4

Conservation

PhyloP100: 1.45

Publications

1 publications found

Variant links:

Genes affected

SETX (HGNC:445): (senataxin) This gene encodes a protein named for its homology to the Sen1p protein of fungi which has RNA helicase activity encoded by a domain at the C-terminal end of the protein. The protein encoded by this gene contains a DNA/RNA helicase domain at its C-terminal end which suggests that it may be involved in both DNA and RNA processing. Mutations in this gene have been associated with ataxia-ocular apraxia-2 (AOA2) and an autosomal dominant form of juvenile amyotrophic lateral sclerosis (ALS4). [provided by RefSeq, Jul 2008]

SETX Gene-Disease associations (from GenCC):

amyotrophic lateral sclerosis type 4
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
distal hereditary motor neuropathy
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet

SETX links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.14769861).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SETX	NM_015046.7 link	c.6172A>C	p.Lys2058Gln	missense_variant	Exon 16 of 26	ENST00000224140.6	NP_055861.3	Q7Z333-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SETX	ENST00000224140.6 link	c.6172A>C	p.Lys2058Gln	missense_variant	Exon 16 of 26	1	NM_015046.7	ENSP00000224140.5		Q7Z333-1
SETX	ENST00000436441.5 link	c.898A>C	p.Lys300Gln	missense_variant	Exon 6 of 17	5		ENSP00000409143.1		X6RI79

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000796

AC:

AN:

251276

AF XY:

0.0000147

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000527

AC:

AN:

1461552

Hom.:

Cov.:

AF XY:

0.0000536

AC XY:

AN XY:

727102

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26122

East Asian (EAS)

AF:

0.00

AC:

AN:

39636

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53396

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.0000684

AC:

AN:

1111826

Other (OTH)

AF:

0.0000166

AC:

AN:

60374

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.443

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Aug 19, 2021

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The p.K2058Q variant (also known as c.6172A>C), located in coding exon 14 of the SETX gene, results from an A to C substitution at nucleotide position 6172. The lysine at codon 2058 is replaced by glutamine, an amino acid with similar properties. Among a cohort of 103 patients with amyotrophic lateral sclerosis (ALS), this alteration was reported in one patient with familial ALS (Cooper-Knock J et al. Front Mol Neurosci, 2017 Nov;10:370). This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -

Amyotrophic lateral sclerosis type 4

Uncertain:1

Feb 08, 2023

Genome-Nilou Lab

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not provided

Uncertain:1

Nov 21, 2017

Athena Diagnostics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2

Uncertain:1

Feb 08, 2023

Genome-Nilou Lab

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.19

BayesDel_addAF

Benign

-0.068

BayesDel_noAF

Benign

-0.32

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.20

.;T

Eigen

Benign

-0.27

Eigen_PC

Benign

-0.25

FATHMM_MKL

Benign

0.11

LIST_S2

Uncertain

0.89

D;D

M_CAP

Uncertain

0.11

MetaRNN

Benign

0.15

T;T

MetaSVM

Benign

-0.59

MutationAssessor

Benign

1.1

.;L

PhyloP100

1.5

PrimateAI

Benign

0.39

PROVEAN

Benign

-0.69

N;N

REVEL

Benign

0.27

Sift

Benign

0.061

T;T

Sift4G

Benign

0.16

T;T

Polyphen

0.97

.;D

Vest4

0.45

MutPred

0.48

.;Loss of ubiquitination at K2058 (P = 0.0127);

MVP

0.68

MPC

0.22

ClinPred

0.33

GERP RS

5.3

Varity_R

0.19

gMVP

0.50

Mutation Taster

=2/98

disease causing

(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

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over