rs753899883

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_182914.3(SYNE2):​c.11323T>A​(p.Cys3775Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000731 in 1,613,934 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. C3775C) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000077 ( 0 hom. )

Consequence

SYNE2
NM_182914.3 missense

Scores

19

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 0.303
Variant links:
Genes affected
SYNE2 (HGNC:17084): (spectrin repeat containing nuclear envelope protein 2) The protein encoded by this gene is a nuclear outer membrane protein that binds cytoplasmic F-actin. This binding tethers the nucleus to the cytoskeleton and aids in the maintenance of the structural integrity of the nucleus. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.027193576).
BP6
Variant 14-64080615-T-A is Benign according to our data. Variant chr14-64080615-T-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 571130.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2}.
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.0000395 (6/152086) while in subpopulation NFE AF= 0.0000735 (5/68010). AF 95% confidence interval is 0.0000285. There are 0 homozygotes in gnomad4. There are 0 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 6 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SYNE2NM_182914.3 linkc.11323T>A p.Cys3775Ser missense_variant Exon 56 of 116 ENST00000555002.6 NP_878918.2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SYNE2ENST00000555002.6 linkc.11323T>A p.Cys3775Ser missense_variant Exon 56 of 116 1 NM_182914.3 ENSP00000450831.2 Q8WXH0-2A0A0C4DGK3

Frequencies

GnomAD3 genomes
AF:
0.0000395
AC:
6
AN:
152086
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000398
AC:
10
AN:
251474
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135908
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
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:
0.0000791
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000766
AC:
112
AN:
1461848
Hom.:
0
Cov.:
31
AF XY:
0.0000660
AC XY:
48
AN XY:
727228
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
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:
0.0000935
Gnomad4 OTH exome
AF:
0.000116
GnomAD4 genome
AF:
0.0000395
AC:
6
AN:
152086
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74300
show subpopulations
Gnomad4 AFR
AF:
0.0000242
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:
0.0000735
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000142
Hom.:
0
Bravo
AF:
0.0000416
ExAC
AF:
0.0000576
AC:
7
EpiCase
AF:
0.000164
EpiControl
AF:
0.0000593

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Emery-Dreifuss muscular dystrophy 5, autosomal dominant Uncertain:2
Mar 27, 2023
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces cysteine, which is neutral and slightly polar, with serine, which is neutral and polar, at codon 3775 of the SYNE2 protein (p.Cys3775Ser). This variant is present in population databases (rs753899883, gnomAD 0.007%). This variant has not been reported in the literature in individuals affected with SYNE2-related conditions. ClinVar contains an entry for this variant (Variation ID: 571130). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The serine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Sep 05, 2019
Revvity Omics, Revvity
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not specified Benign:1
Aug 14, 2024
Ambry Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.054
BayesDel_addAF
Benign
-0.45
T
BayesDel_noAF
Benign
-0.70
CADD
Benign
4.3
DANN
Benign
0.81
DEOGEN2
Benign
0.0029
.;T;T;T;T
Eigen
Benign
-1.4
Eigen_PC
Benign
-1.3
FATHMM_MKL
Benign
0.061
N
LIST_S2
Benign
0.030
T;T;T;T;T
M_CAP
Benign
0.0047
T
MetaRNN
Benign
0.027
T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-1.1
N;.;N;.;.
PrimateAI
Benign
0.31
T
PROVEAN
Benign
0.86
N;.;N;N;N
REVEL
Benign
0.050
Sift
Benign
0.95
T;.;T;T;T
Sift4G
Benign
0.91
T;T;T;T;T
Polyphen
0.0
B;.;B;.;.
Vest4
0.13
MutPred
0.28
Gain of disorder (P = 0.0064);.;Gain of disorder (P = 0.0064);.;.;
MVP
0.067
MPC
0.055
ClinPred
0.042
T
GERP RS
-3.7
Varity_R
0.031
gMVP
0.030

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs753899883; hg19: chr14-64547333; API