rs750934185
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Variant summary
Our verdict is Uncertain significance. Variant got 1 ACMG points: 1P and 0B. PP2
The NM_006946.4(SPTBN2):c.5939C>T(p.Ala1980Val) variant causes a missense change. The variant allele was found at a frequency of 0.00000744 in 1,613,468 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000068 ( 0 hom. )
Consequence
SPTBN2
NM_006946.4 missense
NM_006946.4 missense
Scores
5
9
5
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: 5.82
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]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 1 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.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
SPTBN2 | NM_006946.4 | c.5939C>T | p.Ala1980Val | missense_variant | 29/38 | ENST00000533211.6 | NP_008877.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
SPTBN2 | ENST00000533211.6 | c.5939C>T | p.Ala1980Val | missense_variant | 29/38 | 5 | NM_006946.4 | ENSP00000432568.1 |
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152094Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000684 AC: 10AN: 1461374Hom.: 0 Cov.: 31 AF XY: 0.00000825 AC XY: 6AN XY: 726980
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GnomAD4 genome AF: 0.0000131 AC: 2AN: 152094Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74282
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ClinVar
Not reported inComputational scores
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Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Uncertain
CADD
Uncertain
DANN
Pathogenic
DEOGEN2
Uncertain
D;D;.
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
.;D;D
M_CAP
Benign
D
MetaRNN
Uncertain
D;D;D
MetaSVM
Benign
T
MutationAssessor
Pathogenic
M;M;M
PrimateAI
Uncertain
T
PROVEAN
Uncertain
D;D;D
REVEL
Benign
Sift
Uncertain
D;D;D
Sift4G
Uncertain
D;D;D
Polyphen
D;D;.
Vest4
MutPred
Loss of disorder (P = 0.0384);Loss of disorder (P = 0.0384);Loss of disorder (P = 0.0384);
MVP
MPC
ClinPred
D
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at