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GeneBe

rs745938575

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BP4_Strong

The NM_015046.7(SETX):c.2254A>G(p.Thr752Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,461,702 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

SETX
NM_015046.7 missense

Scores

19

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:1

Conservation

PhyloP100: -0.588
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.04772386).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SETXNM_015046.7 linkuse as main transcriptc.2254A>G p.Thr752Ala missense_variant 10/26 ENST00000224140.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SETXENST00000224140.6 linkuse as main transcriptc.2254A>G p.Thr752Ala missense_variant 10/261 NM_015046.7 P1Q7Z333-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000797
AC:
2
AN:
251072
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135688
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 SAS exome
AF:
0.0000654
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000479
AC:
7
AN:
1461702
Hom.:
0
Cov.:
36
AF XY:
0.00000688
AC XY:
5
AN XY:
727150
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:
0.0000812
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000378
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:3Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Amyotrophic lateral sclerosis type 4 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGenome-Nilou LabFeb 08, 2023- -
not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAthena DiagnosticsAug 03, 2021- -
Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGenome-Nilou LabFeb 08, 2023- -
Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2;C1865409:Amyotrophic lateral sclerosis type 4 Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeDec 06, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.069
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.53
Cadd
Benign
2.5
Dann
Benign
0.88
DEOGEN2
Benign
0.13
T
Eigen
Benign
-1.2
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.11
N
LIST_S2
Benign
0.46
T
M_CAP
Benign
0.033
D
MetaRNN
Benign
0.048
T
MetaSVM
Benign
-0.72
T
MutationAssessor
Benign
1.1
L
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.20
T
PROVEAN
Benign
-0.42
N
REVEL
Benign
0.19
Sift
Benign
0.11
T
Sift4G
Benign
0.16
T
Polyphen
0.0010
B
Vest4
0.028
MutPred
0.068
Loss of phosphorylation at T752 (P = 0.0508);
MVP
0.52
MPC
0.073
ClinPred
0.014
T
GERP RS
-1.7
Varity_R
0.016
gMVP
0.10

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: rs745938575; hg19: chr9-135204731; API