rs142354704

Variant names:

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS1

The NM_032578.4(MYPN):c.3934C>T(p.Arg1312Trp) variant causes a missense change. The variant allele was found at a frequency of 0.000106 in 1,614,090 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1312Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00015 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00010 ( 0 hom. )

Consequence

MYPN
NM_032578.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:3

Conservation

PhyloP100: 3.77

Publications

3 publications found

Variant links:

Genes affected

MYPN (HGNC:23246): (myopalladin) Striated muscle in vertebrates comprises large proteins which must be organized properly to contract efficiently. Z-lines in striated muscle are a sign of this organization, representing the ends of actin thin filaments, titin, nebulin or nebulette and accessory proteins required for structure and function. This gene encodes a protein which interacts with nebulin in skeletal muscle or nebulette in cardiac muscle and alpha-actinin. In addition, this gene product can interact with a protein with the I-band indicating it has a regulatory as well as structural function. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2011]

MYPN Gene-Disease associations (from GenCC):

MYPN-related myopathy
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen
cap myopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
childhood-onset nemaline myopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
familial isolated dilated cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
familial isolated restrictive cardiomyopathy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
dilated cardiomyopathy
Inheritance: AD Classification: LIMITED Submitted by: ClinGen
dilated cardiomyopathy 1KK
Inheritance: AD Classification: LIMITED Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae)
hypertrophic cardiomyopathy
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

MYPN links:

LOC124902443 (HGNC:):

LOC124902443 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.012093604).

BP6

Variant 10-68210426-C-T is Benign according to our data. Variant chr10-68210426-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 191760.

BS1

Variant frequency is greater than expected in population eas. GnomAd4 allele frequency = 0.000151 (23/152254) while in subpopulation EAS AF = 0.0027 (14/5182). AF 95% confidence interval is 0.00163. There are 0 homozygotes in GnomAd4. There are 11 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYPN	NM_032578.4 link	c.3934C>T	p.Arg1312Trp	missense_variant	Exon 20 of 20	ENST00000358913.10	NP_115967.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYPN	ENST00000358913.10 link	c.3934C>T	p.Arg1312Trp	missense_variant	Exon 20 of 20	1	NM_032578.4	ENSP00000351790.5		Q86TC9-1

Frequencies

GnomAD3 genomes

AF:

0.000151

AC:

AN:

152136

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000145

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00270

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000943

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000263

AC:

AN:

251422

AF XY:

0.000250

show subpopulations

Gnomad AFR exome

AF:

0.000123

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.000496

Gnomad EAS exome

AF:

0.00288

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000440

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000101

AC:

148

AN:

1461836

Hom.:

Cov.:

AF XY:

0.0000963

AC XY:

AN XY:

727230

show subpopulations

African (AFR)

AF:

0.000179

AC:

AN:

33476

American (AMR)

AF:

0.0000224

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.000612

AC:

AN:

26136

East Asian (EAS)

AF:

0.00151

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53406

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.0000522

AC:

AN:

1111996

Other (OTH)

AF:

0.000116

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

AF:

0.000151

AC:

AN:

152254

Hom.:

Cov.:

AF XY:

0.000148

AC XY:

AN XY:

74444

show subpopulations

African (AFR)

AF:

0.000144

AC:

AN:

41534

American (AMR)

AF:

0.0000654

AC:

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00270

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4818

European-Finnish (FIN)

AF:

0.0000943

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.488

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:

0.0000887

Hom.:

Bravo

AF:

0.000106

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000157

AC:

Asia WGS

AF:

0.000577

AC:

AN:

3478

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:4Benign:3

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:3Benign:1

Jan 21, 2020

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 30847666, 23861362) -

Dec 28, 2020

Revvity Omics, Revvity

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

May 26, 2017

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The p.Arg1312Trp variant (rs142354704) has been previously observed in a single individual included in a large cohort of cardiomyopathy patients (Ng 2013) and is listed in the ClinVar database as a variant of uncertain significance (Variation ID: 191760). It is listed in the Genome Aggregation Database (gnomAD) browser with a frequency in East Asian populations of 0.25% (identified in 48 out of 18,870 chromosomes). The arginine at codon 1312 is moderately conserved considering 11 species (Alamut software v2.9), and computational analyses return mixed results regarding the effect of this variant on MYPN protein structure/function (SIFT: damaging, PolyPhen2: benign, and Mutation Taster: disease causing). Thus, based on the available information, the clinical significance of the p.Arg1312Trp variant cannot be determined with certainty. -

Jun 24, 2013

Biesecker Lab/Clinical Genomics Section, National Institutes of Health

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:research

- -

Primary dilated cardiomyopathy

Uncertain:1

Jun 01, 2023

Clinical Center for Gene Diagnosis and Therapy, Department of Cardiovascular Surgery, The Second Xiangya Hospital of Central South University

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Dilated cardiomyopathy 1KK

Benign:1

Jan 12, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Cardiovascular phenotype

Benign:1

Aug 13, 2020

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

Uncertain

0.36

BayesDel_addAF

Benign

-0.41

BayesDel_noAF

Benign

-0.36

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.050

.;.;.;T

Eigen

Benign

0.051

Eigen_PC

Benign

0.095

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.93

D;D;.;D

M_CAP

Benign

0.066

MetaRNN

Benign

0.012

T;T;T;T

MetaSVM

Benign

-0.70

MutationAssessor

Benign

0.69

N;.;N;.

PhyloP100

3.8

PrimateAI

Benign

0.28

PROVEAN

Benign

-1.4

N;N;N;.

REVEL

Benign

0.13

Sift

Uncertain

0.010

D;D;D;.

Sift4G

Uncertain

0.019

D;D;D;D

Polyphen

0.99

D;D;D;.

Vest4

0.35

MVP

0.80

MPC

0.40

ClinPred

0.14

GERP RS

5.0

Varity_R

0.11

gMVP

0.27

Mutation Taster

=86/14

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