chr6-152148298-G-C

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBP6

The NM_182961.4(SYNE1):c.24723C>G(p.His8241Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00055 in 1,613,898 control chromosomes in the GnomAD database, including 2 homozygotes. 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. H8241H) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00047 ( 1 hom., cov: 32)

Exomes 𝑓: 0.00056 ( 1 hom. )

Consequence

SYNE1
NM_182961.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:4

Conservation

PhyloP100: -1.19

Publications

3 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

SYNE1 links:

ENSG00000300811 (HGNC:):

ENSG00000300811 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.009497613).

BP6

Variant 6-152148298-G-C is Benign according to our data. Variant chr6-152148298-G-C is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 194306.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SYNE1	NM_182961.4 link	c.24723C>G	p.His8241Gln	missense_variant	Exon 137 of 146	ENST00000367255.10	NP_892006.3
SYNE1	NM_001347702.2 link	c.1188C>G	p.His396Gln	missense_variant	Exon 8 of 18	ENST00000354674.5	NP_001334631.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SYNE1	ENST00000367255.10 link	c.24723C>G	p.His8241Gln	missense_variant	Exon 137 of 146	1	NM_182961.4	ENSP00000356224.5		Q8NF91-1
SYNE1	ENST00000354674.5 link	c.1188C>G	p.His396Gln	missense_variant	Exon 8 of 18	5	NM_001347702.2	ENSP00000346701.4		F8WAI0

Frequencies

GnomAD3 genomes

AF:

0.000467

AC:

AN:

152164

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00110

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000942

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000941

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.000583

AC:

146

AN:

250554

AF XY:

0.000598

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 FIN exome

AF:

0.000139

Gnomad NFE exome

AF:

0.00125

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.000559

AC:

817

AN:

1461616

Hom.:

Cov.:

AF XY:

0.000530

AC XY:

385

AN XY:

727086

show subpopulations

African (AFR)

AF:

0.0000597

AC:

AN:

33476

American (AMR)

AF:

0.00

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26096

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86206

European-Finnish (FIN)

AF:

0.000131

AC:

AN:

53408

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000707

AC:

786

AN:

1111866

Other (OTH)

AF:

0.000348

AC:

AN:

60386

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.478

Heterozygous variant carriers

142

189

236

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

104

130

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000466

AC:

AN:

152282

Hom.:

Cov.:

AF XY:

0.000349

AC XY:

AN XY:

74466

show subpopulations

African (AFR)

AF:

0.0000722

AC:

AN:

41556

American (AMR)

AF:

0.0000653

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5170

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.0000942

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000941

AC:

AN:

68016

Other (OTH)

AF:

0.000473

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000795

Hom.:

Bravo

AF:

0.000355

TwinsUK

AF:

0.00135

AC:

ALSPAC

AF:

0.00130

AC:

ESP6500AA

AF:

0.000454

AC:

ESP6500EA

AF:

0.000581

AC:

ExAC

AF:

0.000601

AC:

EpiCase

AF:

0.000491

EpiControl

AF:

0.00107

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:4Benign:4

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2Benign:1

Aug 07, 2017

Eurofins Ntd Llc (ga)

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jun 01, 2020

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

May 31, 2017

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The p.His8170Gln variant (rs141586001) has not been reported in the medical literature, gene specific variation databases, nor has it been previously identified by our laboratory. This variant is listed in the Genome Aggregation Database (gnomAD) with a population frequency of 0.1 percent in the European Non-Finnish population (identified on 145 out of 125,962 chromosomes), and has been reported to the ClinVar database with conflicting interpretations. The histidine at position 8170 is weakly conserved and computational analyses of the p.His8170Gln variant on protein structure and function indicate a neutral effect (SIFT: tolerated, MutationTaster: polymorphism, PolyPhen-2: benign). Altogether, there is not enough evidence to classify the p.His8170Gln variant with certainty. -

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

Uncertain:1

Jan 06, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces histidine, which is basic and polar, with glutamine, which is neutral and polar, at codon 8170 of the SYNE1 protein (p.His8170Gln). This variant is present in population databases (rs141586001, gnomAD 0.1%), and has an allele count higher than expected for a pathogenic variant. 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: 194306). An algorithm developed to predict the effect of missense changes on protein structure and function outputs the following: PolyPhen-2: "Benign". The glutamine 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. -

SYNE1-related disorder

Uncertain:1

Feb 14, 2023

PreventionGenetics, part of Exact Sciences

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The SYNE1 c.24510C>G variant is predicted to result in the amino acid substitution p.His8170Gln. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.12% of alleles in individuals of European (Non-Finnish) descent in gnomAD, including one homozygous individual (http://gnomad.broadinstitute.org/variant/6-152469433-G-C). Although we suspect that this variant may be benign, at this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

not specified

Benign:1

Jan 12, 2024

Athena Diagnostics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Inborn genetic diseases

Benign:1

Oct 06, 2021

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. -

Intellectual disability

Benign:1

Jan 01, 2019

Centre de Biologie Pathologie Génétique, Centre Hospitalier Universitaire de Lille

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.072

BayesDel_addAF

Benign

-0.64

BayesDel_noAF

Benign

-0.69

CADD

Benign

0.0050

(source)

DANN

Benign

0.61

DEOGEN2

Benign

0.27

T;.;.;T;T;T;T

Eigen

Benign

-2.2

Eigen_PC

Benign

-2.3

FATHMM_MKL

Benign

0.052

LIST_S2

Benign

0.63

T;T;T;T;T;T;T

M_CAP

Benign

0.0027

MetaRNN

Benign

0.0095

T;T;T;T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.3

L;.;.;.;.;.;.

PhyloP100

-1.2

PrimateAI

Benign

0.25

PROVEAN

Benign

-1.5

N;.;N;N;N;N;N

REVEL

Benign

0.017

Sift

Benign

0.36

T;.;T;T;T;T;T

Sift4G

Benign

0.57

T;T;T;T;T;T;T

Polyphen

0.0010

B;.;.;.;.;.;.

Vest4

0.080

MutPred

0.25

Loss of catalytic residue at H8241 (P = 0.199);.;.;.;.;.;.;

MVP

0.27

MPC

0.13

ClinPred

0.061

GERP RS

-11

Varity_R

0.026

gMVP

0.24

Mutation Taster

=96/4

polymorphism

(source)

Splicing

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over