chr11-66690046-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 1P and 1B. PP2BP4

The NM_006946.4(SPTBN2):​c.5803C>T​(p.Arg1935Cys) variant causes a missense change. The variant allele was found at a frequency of 0.000013 in 1,614,226 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

SPTBN2
NM_006946.4 missense

Scores

5
5
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.85
Variant links:
Genes affected
SPTBN2 (HGNC:11276): (spectrin beta, non-erythrocytic 2) Spectrins are principle components of a cell's membrane-cytoskeleton and are composed of two alpha and two beta spectrin subunits. The protein encoded by this gene (SPTBN2), is called spectrin beta non-erythrocytic 2 or beta-III spectrin. It is related to, but distinct from, the beta-II spectrin gene which is also known as spectrin beta non-erythrocytic 1 (SPTBN1). SPTBN2 regulates the glutamate signaling pathway by stabilizing the glutamate transporter EAAT4 at the surface of the plasma membrane. Mutations in this gene cause a form of spinocerebellar ataxia, SCA5, that is characterized by neurodegeneration, progressive locomotor incoordination, dysarthria, and uncoordinated eye movements. [provided by RefSeq, Dec 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), SPTBN2. . Gene score misZ 2.6349 (greater than the threshold 3.09). Trascript score misZ 4.499 (greater than threshold 3.09). GenCC has associacion of gene with autosomal recessive spinocerebellar ataxia 14, spinocerebellar ataxia type 5.
BP4
Computational evidence support a benign effect (MetaRNN=0.34562126).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SPTBN2NM_006946.4 linkuse as main transcriptc.5803C>T p.Arg1935Cys missense_variant 28/38 ENST00000533211.6 NP_008877.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SPTBN2ENST00000533211.6 linkuse as main transcriptc.5803C>T p.Arg1935Cys missense_variant 28/385 NM_006946.4 ENSP00000432568 P1O15020-1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152224
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.000478
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
251248
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135850
show subpopulations
Gnomad AFR exome
AF:
0.0000616
Gnomad AMR exome
AF:
0.0000578
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:
0.000163
GnomAD4 exome
AF:
0.0000123
AC:
18
AN:
1461884
Hom.:
0
Cov.:
31
AF XY:
0.00000963
AC XY:
7
AN XY:
727238
show subpopulations
Gnomad4 AFR exome
AF:
0.000149
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000580
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152342
Hom.:
0
Cov.:
32
AF XY:
0.0000403
AC XY:
3
AN XY:
74498
show subpopulations
Gnomad4 AFR
AF:
0.0000481
Gnomad4 AMR
AF:
0.00
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:
0.000473
Alfa
AF:
0.0000370
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.0000247
AC:
3

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 testingAthena DiagnosticsJul 14, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Benign
-0.16
T
BayesDel_noAF
Benign
-0.29
CADD
Uncertain
24
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.42
T;T;.
Eigen
Uncertain
0.37
Eigen_PC
Uncertain
0.34
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Pathogenic
0.99
.;D;D
M_CAP
Benign
0.035
D
MetaRNN
Benign
0.35
T;T;T
MetaSVM
Benign
-0.98
T
MutationAssessor
Benign
1.8
L;L;L
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.62
T
PROVEAN
Pathogenic
-5.1
D;D;D
REVEL
Benign
0.21
Sift
Pathogenic
0.0
D;D;D
Sift4G
Pathogenic
0.0
D;D;D
Polyphen
1.0
D;D;.
Vest4
0.60
MVP
0.42
MPC
1.4
ClinPred
0.93
D
GERP RS
3.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.8
Varity_R
0.63
gMVP
0.30

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: rs530580113; hg19: chr11-66457517; API