rs139350480

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001374736.1(DST):c.3557G>A(p.Ser1186Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000985 in 1,613,668 control chromosomes in the GnomAD database, including 13 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0053 ( 5 hom., cov: 32)

Exomes 𝑓: 0.00054 ( 8 hom. )

Consequence

DST
NM_001374736.1 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 7.91

Publications

3 publications found

Variant links:

Genes affected

DST (HGNC:1090): (dystonin) This gene encodes a member of the plakin protein family of adhesion junction plaque proteins. Multiple alternatively spliced transcript variants encoding distinct isoforms have been found for this gene, but the full-length nature of some variants has not been defined. It has been reported that some isoforms are expressed in neural and muscle tissue, anchoring neural intermediate filaments to the actin cytoskeleton, and some isoforms are expressed in epithelial tissue, anchoring keratin-containing intermediate filaments to hemidesmosomes. Consistent with the expression, mice defective for this gene show skin blistering and neurodegeneration. [provided by RefSeq, Mar 2010]

DST Gene-Disease associations (from GenCC):

hereditary sensory and autonomic neuropathy type 6
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE, LIMITED Submitted by: Orphanet, Ambry Genetics, G2P, ClinGen, Labcorp Genetics (formerly Invitae)
epidermolysis bullosa simplex 3, localized or generalized intermediate, with BP230 deficiency
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: PanelApp Australia, Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Orphanet

DST links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0101264715).

BP6

Variant 6-56634196-C-T is Benign according to our data. Variant chr6-56634196-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 474512.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00525 (800/152288) while in subpopulation AFR AF = 0.0182 (756/41546). AF 95% confidence interval is 0.0171. There are 5 homozygotes in GnomAd4. There are 377 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 5 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DST	NM_001374736.1 link	c.3557G>A	p.Ser1186Asn	missense_variant	Exon 27 of 104	ENST00000680361.1	NP_001361665.1
DST	NM_001723.7 link	c.1946G>A	p.Ser649Asn	missense_variant	Exon 13 of 24	ENST00000370765.11	NP_001714.1	Q03001-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DST	ENST00000680361.1 link	c.3557G>A	p.Ser1186Asn	missense_variant	Exon 27 of 104		NM_001374736.1	ENSP00000505098.1		A0A7P0T890
DST	ENST00000370765.11 link	c.1946G>A	p.Ser649Asn	missense_variant	Exon 13 of 24	1	NM_001723.7	ENSP00000359801.6		Q03001-3

Frequencies

GnomAD3 genomes

AF:

0.00527

AC:

802

AN:

152170

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0183

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00223

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.00287

GnomAD2 exomes

AF:

0.00138

AC:

347

AN:

251086

AF XY:

0.00108

show subpopulations

Gnomad AFR exome

AF:

0.0186

Gnomad AMR exome

AF:

0.000954

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000704

Gnomad OTH exome

AF:

0.000653

GnomAD4 exome

AF:

0.000540

AC:

789

AN:

1461380

Hom.:

Cov.:

AF XY:

0.000442

AC XY:

321

AN XY:

727016

show subpopulations

African (AFR)

AF:

0.0186

AC:

623

AN:

33476

American (AMR)

AF:

0.00103

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39680

South Asian (SAS)

AF:

0.0000348

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52992

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000369

AC:

AN:

1111960

Other (OTH)

AF:

0.00124

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.481

Heterozygous variant carriers

135

180

225

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<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:

0.00525

AC:

800

AN:

152288

Hom.:

Cov.:

AF XY:

0.00506

AC XY:

377

AN XY:

74486

show subpopulations

African (AFR)

AF:

0.0182

AC:

756

AN:

41546

American (AMR)

AF:

0.00222

AC:

AN:

15294

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68024

Other (OTH)

AF:

0.00284

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

130

174

217

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.00174

Hom.:

Bravo

AF:

0.00634

ESP6500AA

AF:

0.0184

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.00158

AC:

192

Asia WGS

AF:

0.000866

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Clinical Genetics, Academic Medical Center

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Oct 01, 2021

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

See Variant Classification Assertion Criteria. -

Hereditary sensory and autonomic neuropathy type 6;C3809470:Epidermolysis bullosa simplex 3, localized or generalized intermediate, with BP230 deficiency

Benign:1

Jan 31, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not specified

Benign:1

Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.83

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.11

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.13

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

Eigen

Pathogenic

0.86

Eigen_PC

Pathogenic

0.80

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.94

D;D;D;D;D;D;D;D;D

MetaRNN

Benign

0.010

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

MetaSVM

Uncertain

0.45

MutationAssessor

Pathogenic

3.0

.;.;.;M;.;.;.;.;.

PhyloP100

7.9

PrimateAI

Uncertain

0.63

PROVEAN

Uncertain

-2.6

D;D;.;D;D;D;D;D;D

REVEL

Uncertain

0.49

Sift

Uncertain

0.0030

D;D;.;D;D;D;D;D;D

Sift4G

Uncertain

0.0070

.;.;.;.;.;D;D;D;D

Polyphen

1.0

D;.;.;.;.;D;.;D;D

Vest4

0.68

MVP

0.83

MPC

0.55

ClinPred

0.035

GERP RS

5.0

gMVP

0.71

Mutation Taster

=88/12

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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