rs139805184

Positions:

chr6-152326387-T-C

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 1P and 6B. PP2BP4_ModerateBS2

The NM_182961.4(SYNE1):c.15202A>G(p.Lys5068Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000129 in 1,614,228 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.00020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

SYNE1
NM_182961.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:7

Conservation

PhyloP100: 2.73

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 links:

SYNE1 (HGNC:):

SYNE1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PP2

Missense variant in gene, where missense usually causes diseases (based on misZ statistic), SYNE1. . Gene score misZ -0.29069 (greater than the threshold 3.09). Trascript score misZ 3.2909 (greater than threshold 3.09). GenCC has associacion of gene with autosomal recessive ataxia, Beauce type, autosomal recessive myogenic arthrogryposis multiplex congenita, Emery-Dreifuss muscular dystrophy 4, autosomal dominant, arthrogryposis multiplex congenita 3, myogenic type, autosomal dominant Emery-Dreifuss muscular dystrophy.

BP4

Computational evidence support a benign effect (MetaRNN=0.071081966).

BS2

High AC in GnomAd4 at 30 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SYNE1	NM_182961.4 linkuse as main transcript	c.15202A>G	p.Lys5068Glu	missense_variant	79/146	ENST00000367255.10	NP_892006.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
SYNE1	ENST00000367255.10 linkuse as main transcript	c.15202A>G	p.Lys5068Glu	missense_variant	79/146	1	NM_182961.4	ENSP00000356224.5	Q8NF91-1
SYNE1	ENST00000423061.6 linkuse as main transcript	c.14989A>G	p.Lys4997Glu	missense_variant	78/146	1		ENSP00000396024.1	A0A0C4DG40
SYNE1	ENST00000490135.6 linkuse as main transcript	n.2548A>G		non_coding_transcript_exon_variant	3/11	1

Frequencies

GnomAD3 genomes

AF:

0.000197

AC:

AN:

152226

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000654

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:

0.000235

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.000119

AC:

AN:

251430

Hom.:

AF XY:

0.000103

AC XY:

AN XY:

135886

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.0000289

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:

0.000229

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.000122

AC:

179

AN:

1461884

Hom.:

Cov.:

AF XY:

0.000132

AC XY:

AN XY:

727244

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.000134

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:

0.000152

Gnomad4 OTH exome

AF:

0.0000497

GnomAD4 genome

AF:

0.000197

AC:

AN:

152344

Hom.:

Cov.:

AF XY:

0.000161

AC XY:

AN XY:

74498

show subpopulations

Gnomad4 AFR

AF:

0.0000722

Gnomad4 AMR

AF:

0.000654

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000235

Gnomad4 OTH

AF:

0.000473

Alfa

AF:

0.000119

Hom.:

Bravo

AF:

0.000204

ESP6500AA

AF:

0.000681

AC:

ESP6500EA

AF:

0.000349

AC:

ExAC

AF:

0.000123

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:4

Uncertain significance, criteria provided, single submitter	clinical testing	Athena Diagnostics	Jun 11, 2024	Available data are insufficient to determine the clinical significance of the variant at this time. The frequency of this variant in the general population is uninformative in assessment of its pathogenicity. (http://gnomad.broadinstitute.org) Polyphen and MutationTaster predict this amino acid change may be benign. -
Uncertain significance, criteria provided, single submitter	clinical testing	Revvity Omics, Revvity	Oct 22, 2019	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Apr 24, 2018	- -
Uncertain significance, criteria provided, single submitter	clinical testing	GeneDx	Dec 06, 2023	In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Women's Health and Genetics/Laboratory Corporation of America, LabCorp

Sep 28, 2023

Variant summary: SYNE1 c.14989A>G (p.Lys4997Glu), also known as c.15202A>G (p.Lys5068Glu), results in a conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.00012 in 282834 control chromosomes (gnomAD). To our knowledge, no occurrence of c.14989A>G in individuals affected with Emery-Dreifuss Muscular Dystrophy 4, Autosomal Dominant and no experimental evidence demonstrating its impact on protein function have been reported. Six ClinVar submitters have assessed the variant since 2014, and all six classified the variant as uncertain significance. Based on the evidence outlined above, the variant was classified as uncertain significance. -

Inborn genetic diseases

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Sep 30, 2021

The c.14989A>G (p.K4997E) alteration is located in exon 78 (coding exon 77) of the SYNE1 gene. This alteration results from a A to G substitution at nucleotide position 14989, causing the lysine (K) at amino acid position 4997 to be replaced by a glutamic acid (E). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Autosomal recessive ataxia, Beauce type;C2751807:Emery-Dreifuss muscular dystrophy 4, autosomal dominant

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 04, 2024

This sequence change replaces lysine, which is basic and polar, with glutamic acid, which is acidic and polar, at codon 4997 of the SYNE1 protein (p.Lys4997Glu). This variant is present in population databases (rs139805184, gnomAD 0.02%). This variant has not been reported in the literature in individuals affected with SYNE1-related conditions. ClinVar contains an entry for this variant (Variation ID: 288888). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant¬†is likely to be tolerated. 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. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Benign

-0.30

BayesDel_noAF

Benign

-0.38

CADD

Benign

DANN

Benign

0.95

DEOGEN2

Benign

0.22

T;.;T

Eigen

Benign

-0.16

Eigen_PC

Benign

0.012

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.89

D;D;D

M_CAP

Benign

0.0087

MetaRNN

Benign

0.071

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.2

M;.;.

PrimateAI

Benign

0.30

PROVEAN

Uncertain

-2.6

D;.;D

REVEL

Benign

0.14

Sift

Uncertain

0.022

D;.;D

Sift4G

Benign

0.089

T;T;T

Polyphen

0.12

B;.;.

Vest4

0.23

MVP

0.47

MPC

0.20

ClinPred

0.068

GERP RS

5.6

Varity_R

0.27

gMVP

0.22

Splicing

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over