rs35690719

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6_Very_StrongBP7

The NM_000256.3(MYBPC3):​c.1467C>T​(p.Asp489Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000153 in 1,613,928 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00015 ( 1 hom. )

Consequence

MYBPC3
NM_000256.3 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:10

Conservation

PhyloP100: -1.02
Variant links:
Genes affected
MYBPC3 (HGNC:7551): (myosin binding protein C3) MYBPC3 encodes the cardiac isoform of myosin-binding protein C. Myosin-binding protein C is a myosin-associated protein found in the cross-bridge-bearing zone (C region) of A bands in striated muscle. MYBPC3 is expressed exclusively in heart muscle and is a key regulator of cardiac contraction. Mutations in this gene are a frequent cause of familial hypertrophic cardiomyopathy. [provided by RefSeq, May 2022]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.72).
BP6
Variant 11-47342735-G-A is Benign according to our data. Variant chr11-47342735-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 42535.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr11-47342735-G-A is described in Lovd as [Likely_benign]. Variant chr11-47342735-G-A is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-1.02 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
MYBPC3NM_000256.3 linkc.1467C>T p.Asp489Asp synonymous_variant Exon 17 of 35 ENST00000545968.6 NP_000247.2 Q14896-1A5YM48

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
MYBPC3ENST00000545968.6 linkc.1467C>T p.Asp489Asp synonymous_variant Exon 17 of 35 5 NM_000256.3 ENSP00000442795.1 Q14896-1
MYBPC3ENST00000399249.6 linkc.1467C>T p.Asp489Asp synonymous_variant Exon 16 of 34 5 ENSP00000382193.2 A8MXZ9
MYBPC3ENST00000544791.1 linkn.1467C>T non_coding_transcript_exon_variant Exon 17 of 27 5 ENSP00000444259.1 F5GZR4

Frequencies

GnomAD3 genomes
AF:
0.000138
AC:
21
AN:
152204
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00212
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000209
AC:
52
AN:
249080
Hom.:
0
AF XY:
0.000185
AC XY:
25
AN XY:
135128
show subpopulations
Gnomad AFR exome
AF:
0.000194
Gnomad AMR exome
AF:
0.0000290
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00228
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000443
Gnomad OTH exome
AF:
0.000331
GnomAD4 exome
AF:
0.000155
AC:
226
AN:
1461606
Hom.:
1
Cov.:
31
AF XY:
0.000149
AC XY:
108
AN XY:
727094
show subpopulations
Gnomad4 AFR exome
AF:
0.000329
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00207
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000109
Gnomad4 OTH exome
AF:
0.000166
GnomAD4 genome
AF:
0.000138
AC:
21
AN:
152322
Hom.:
0
Cov.:
33
AF XY:
0.0000940
AC XY:
7
AN XY:
74488
show subpopulations
Gnomad4 AFR
AF:
0.0000481
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00212
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000186
Hom.:
1
Bravo
AF:
0.000166
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:10
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
-
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Dec 11, 2020
GeneDx
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Hypertrophic cardiomyopathy 4 Benign:2
Sep 21, 2015
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Hypertrophic cardiomyopathy Benign:2
Jan 28, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 05, 2024
All of Us Research Program, National Institutes of Health
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not specified Benign:1
Mar 27, 2015
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

p.Asp489Asp in exon 17 of MYBPC3: This variant is not expected to have clinical significance because it does not alter an amino acid residue and is not located within the splice consensus sequence. It has been identified in 0.3% (29/8624) o f East Asian chromosomes by the Exome Aggregation Consortium (ExAC, http://exac. broadinstitute.org; dbSNP rs35690719). -

Cardiomyopathy Benign:1
Aug 05, 2018
Color Diagnostics, LLC DBA Color Health
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Cardiovascular phenotype Benign:1
Apr 23, 2018
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. -

MYBPC3-related disorder Benign:1
Jul 30, 2019
PreventionGenetics, part of Exact Sciences
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

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

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.72
CADD
Benign
0.37
DANN
Benign
0.64

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs35690719; hg19: chr11-47364286; COSMIC: COSV99919676; API