rs35766971

Variant names:

Variant summary

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

The NM_006073.4(TRDN):c.1016G>A(p.Ser339Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00205 in 1,591,380 control chromosomes in the GnomAD database, including 72 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 Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S339R) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.011 ( 37 hom., cov: 32)

Exomes 𝑓: 0.0011 ( 35 hom. )

Consequence

TRDN
NM_006073.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:8

Conservation

PhyloP100: 1.92

Publications

5 publications found

Variant links:

Genes affected

TRDN (HGNC:12261): (triadin) This gene encodes an integral membrane protein found in skeletal and cardiac muscle. The encoded protein plays a role in skeletal muscle excitation-contraction coupling as part of the calcium release complex and is required for normal skeletal muscle strength. This protein indirectly links triads and microtubules in skeletal muscle. Mutations in this gene are associated with cardiac arrythmia syndrome and some variants in this gene may be associated with sudden cardiac death. [provided by RefSeq, May 2022]

TRDN links:

TRDN-AS1 (HGNC:40592): (TRDN antisense RNA 1)

TRDN-AS1 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=0.0023744404).

BP6

Variant 6-123438098-C-T is Benign according to our data. Variant chr6-123438098-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 227102.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 = 0.0114 (1736/152186) while in subpopulation AFR AF = 0.0385 (1599/41530). AF 95% confidence interval is 0.0369. There are 37 homozygotes in GnomAd4. There are 793 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 37 AD,AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TRDN	NM_006073.4 link	c.1016G>A	p.Ser339Asn	missense_variant	Exon 12 of 41	ENST00000334268.9	NP_006064.2	Q13061-1
TRDN	NM_001251987.2 link	c.1019G>A	p.Ser340Asn	missense_variant	Exon 12 of 21		NP_001238916.1	A0A590UJV0Q8IVK2
TRDN	NM_001407315.1 link	c.959G>A	p.Ser320Asn	missense_variant	Exon 11 of 20		NP_001394244.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
TRDN	ENST00000334268.9 link	c.1016G>A	p.Ser339Asn	missense_variant	Exon 12 of 41	1	NM_006073.4	ENSP00000333984.5	Q13061-1
TRDN	ENST00000662930.1 link	c.1019G>A	p.Ser340Asn	missense_variant	Exon 12 of 21			ENSP00000499585.1	A0A590UJV0
TRDN-AS1	ENST00000587106.6 link	n.572-1505C>T		intron_variant	Intron 6 of 8	5

Frequencies

GnomAD3 genomes

AF:

0.0114

AC:

1734

AN:

152068

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0386

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00733

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:

0.0000294

Gnomad OTH

AF:

0.0105

GnomAD2 exomes

AF:

0.00271

AC:

594

AN:

219566

AF XY:

0.00201

show subpopulations

Gnomad AFR exome

AF:

0.0371

Gnomad AMR exome

AF:

0.00228

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000297

Gnomad OTH exome

AF:

0.00167

GnomAD4 exome

AF:

0.00107

AC:

1534

AN:

1439194

Hom.:

Cov.:

AF XY:

0.000887

AC XY:

634

AN XY:

714934

show subpopulations

African (AFR)

AF:

0.0386

AC:

1232

AN:

31948

American (AMR)

AF:

0.00296

AC:

116

AN:

39196

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25482

East Asian (EAS)

AF:

0.0000764

AC:

AN:

39288

South Asian (SAS)

AF:

0.0000245

AC:

AN:

81704

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52440

Middle Eastern (MID)

AF:

0.00159

AC:

AN:

5666

European-Non Finnish (NFE)

AF:

0.0000217

AC:

AN:

1104036

Other (OTH)

AF:

0.00249

AC:

148

AN:

59434

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

126

188

251

314

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

126

168

210

<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:

0.0114

AC:

1736

AN:

152186

Hom.:

Cov.:

AF XY:

0.0107

AC XY:

793

AN XY:

74406

show subpopulations

African (AFR)

AF:

0.0385

AC:

1599

AN:

41530

American (AMR)

AF:

0.00739

AC:

113

AN:

15294

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5166

South Asian (SAS)

AF:

0.00

AC:

AN:

4818

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10600

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

67994

Other (OTH)

AF:

0.0104

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

189

283

378

472

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome 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

Alfa

AF:

0.00420

Hom.:

Bravo

AF:

0.0129

ESP6500AA

AF:

0.0334

AC:

123

ESP6500EA

AF:

0.000123

AC:

ExAC

AF:

0.00322

AC:

388

Asia WGS

AF:

0.00260

AC:

AN:

3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:8

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:4

Nov 11, 2016

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

Nov 24, 2014

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Ser340Asn in exon 12 of TRDN: This variant is not expected to have clinical sign ificance because it has been identified in 3.3% (123/3682) of African American c hromosomes from a broad population by the NHLBI Exome Sequencing Project (http:/ /evs.gs.washington.edu/EVS; dbSNP rs35766971). -

Apr 09, 2025

Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease, Montreal Heart Institute

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jan 15, 2024

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

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

TRDN-related disorder

Benign:1

Mar 29, 2019

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Catecholaminergic polymorphic ventricular tachycardia 1

Benign:1

Jan 31, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Cardiovascular phenotype

Benign:1

Aug 04, 2015

Ambry Genetics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This alteration is classified as 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. -

Catecholaminergic polymorphic ventricular tachycardia 5

Benign:1

Nov 01, 2024

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.083

BayesDel_addAF

Benign

-0.61

BayesDel_noAF

Benign

-0.61

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.11

Eigen

Benign

-0.37

Eigen_PC

Benign

-0.22

FATHMM_MKL

Benign

0.36

LIST_S2

Benign

0.42

MetaRNN

Benign

0.0024

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.69

PhyloP100

1.9

PrimateAI

Benign

0.39

PROVEAN

Benign

-0.29

REVEL

Benign

0.070

Sift

Uncertain

0.0080

Sift4G

Benign

0.48

Polyphen

0.089

Vest4

0.11

MVP

0.22

ClinPred

0.0060

GERP RS

3.7

Varity_R

0.079

gMVP

0.0055

Mutation Taster

=99/1

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