NM_182961.4:c.25241C>A

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_182961.4(SYNE1):​c.25241C>A​(p.Thr8414Lys) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,830 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T8414M) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SYNE1
NM_182961.4 missense

Scores

1
5
13

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.70

Publications

0 publications found
Variant links:
Genes affected
SYNE1 (HGNC:17089): (spectrin repeat containing nuclear envelope protein 1) This gene encodes a spectrin repeat containing protein expressed in skeletal and smooth muscle, and peripheral blood lymphocytes, that localizes to the nuclear membrane. Mutations in this gene have been associated with autosomal recessive spinocerebellar ataxia 8, also referred to as autosomal recessive cerebellar ataxia type 1 or recessive ataxia of Beauce. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]
SYNE1 Gene-Disease associations (from GenCC):
  • autosomal recessive ataxia, Beauce type
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, G2P, Orphanet, Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)
  • arthrogryposis multiplex congenita 3, myogenic type
    Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • Emery-Dreifuss muscular dystrophy 4, autosomal dominant
    Inheritance: AD Classification: MODERATE, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), Illumina
  • autosomal dominant Emery-Dreifuss muscular dystrophy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • autosomal recessive myogenic arthrogryposis multiplex congenita
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.32451418).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SYNE1NM_182961.4 linkc.25241C>A p.Thr8414Lys missense_variant Exon 139 of 146 ENST00000367255.10 NP_892006.3
SYNE1NM_001347702.2 linkc.1775C>A p.Thr592Lys missense_variant Exon 11 of 18 ENST00000354674.5 NP_001334631.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SYNE1ENST00000367255.10 linkc.25241C>A p.Thr8414Lys missense_variant Exon 139 of 146 1 NM_182961.4 ENSP00000356224.5 Q8NF91-1
SYNE1ENST00000354674.5 linkc.1775C>A p.Thr592Lys missense_variant Exon 11 of 18 5 NM_001347702.2 ENSP00000346701.4 F8WAI0

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461830
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
727218
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.0000187
AC:
1
AN:
53384
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111998
Other (OTH)
AF:
0.00
AC:
0
AN:
60390
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Uncertain
0.071
D
BayesDel_noAF
Benign
-0.14
CADD
Benign
16
DANN
Uncertain
0.98
DEOGEN2
Benign
0.25
T;.;.;T;T;T;T
Eigen
Benign
-0.16
Eigen_PC
Benign
-0.18
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.93
D;D;D;D;D;D;D
M_CAP
Benign
0.046
D
MetaRNN
Benign
0.32
T;T;T;T;T;T;T
MetaSVM
Benign
-0.84
T
MutationAssessor
Uncertain
2.4
M;.;.;.;.;.;.
PhyloP100
3.7
PrimateAI
Benign
0.44
T
PROVEAN
Benign
-1.9
N;.;N;N;N;N;N
REVEL
Benign
0.22
Sift
Benign
0.043
D;.;T;T;D;T;T
Sift4G
Uncertain
0.015
D;D;T;T;D;T;T
Polyphen
0.95
P;.;.;.;.;.;.
Vest4
0.71
MutPred
0.51
Gain of ubiquitination at T8414 (P = 0.0114);.;.;.;.;.;.;
MVP
0.54
MPC
0.28
ClinPred
0.84
D
GERP RS
3.1
Varity_R
0.086
gMVP
0.64
Mutation Taster
=88/12
polymorphism

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs759512753; hg19: chr6-152462343; API