chr16-28830644-G-A

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The ENST00000336783.9(ATXN2L):​c.1064G>A​(p.Arg355Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000124 in 1,607,928 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

ATXN2L
ENST00000336783.9 missense

Scores

7
7
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.61
Variant links:
Genes affected
ATXN2L (HGNC:31326): (ataxin 2 like) This gene encodes an ataxin type 2 related protein of unknown function. This protein is a member of the spinocerebellar ataxia (SCAs) family, which is associated with a complex group of neurodegenerative disorders. Several alternatively spliced transcripts encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2
High AC in GnomAd4 at 11 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ATXN2LNM_007245.4 linkuse as main transcriptc.1064G>A p.Arg355Gln missense_variant 9/22 ENST00000336783.9 NP_009176.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ATXN2LENST00000336783.9 linkuse as main transcriptc.1064G>A p.Arg355Gln missense_variant 9/221 NM_007245.4 ENSP00000338718 A2Q8WWM7-1
ENST00000563565.1 linkuse as main transcriptn.270-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant, non_coding_transcript_variant 3

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152092
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000720
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000816
AC:
2
AN:
245120
Hom.:
0
AF XY:
0.00000753
AC XY:
1
AN XY:
132798
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000604
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000618
AC:
9
AN:
1455718
Hom.:
0
Cov.:
31
AF XY:
0.00000276
AC XY:
2
AN XY:
724108
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000138
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.0000167
GnomAD4 genome
AF:
0.0000723
AC:
11
AN:
152210
Hom.:
0
Cov.:
31
AF XY:
0.0000672
AC XY:
5
AN XY:
74398
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000720
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.000117
ExAC
AF:
0.00000824
AC:
1

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 21, 2023The c.1064G>A (p.R355Q) alteration is located in exon 9 (coding exon 9) of the ATXN2L gene. This alteration results from a G to A substitution at nucleotide position 1064, causing the arginine (R) at amino acid position 355 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.91
BayesDel_addAF
Uncertain
0.15
D
BayesDel_noAF
Pathogenic
0.18
CADD
Pathogenic
32
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.34
.;.;.;T;.;T;.;.
Eigen
Pathogenic
0.77
Eigen_PC
Pathogenic
0.76
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.99
D;D;D;D;D;D;D;D
M_CAP
Benign
0.050
D
MetaRNN
Uncertain
0.45
T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.33
T
MutationAssessor
Uncertain
2.1
M;M;M;M;M;.;M;.
MutationTaster
Benign
1.0
D;D;D;D;D;D;D
PrimateAI
Uncertain
0.71
T
PROVEAN
Uncertain
-2.5
D;D;D;D;D;N;D;D
REVEL
Benign
0.23
Sift
Uncertain
0.0030
D;D;D;D;D;D;D;D
Sift4G
Uncertain
0.015
D;D;D;D;D;D;D;D
Polyphen
1.0
D;D;D;D;.;.;.;.
Vest4
0.80
MVP
0.84
MPC
2.6
ClinPred
0.90
D
GERP RS
5.8
Varity_R
0.41
gMVP
0.76

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: rs187434765; hg19: chr16-28841965; COSMIC: COSV57369793; COSMIC: COSV57369793; API