rs200662317

Variant summary

Our verdict is Benign. The variant received -14 ACMG points: 0P and 14B. BP4_StrongBP6BP7BS1BS2

The NM_002471.4(MYH6):​c.5652C>T​(p.Ala1884Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000572 in 1,612,754 control chromosomes in the GnomAD database, including 8 homozygotes. In-silico tool predicts 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. A1884A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00059 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00057 ( 8 hom. )

Consequence

MYH6
NM_002471.4 synonymous

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:13

Conservation

PhyloP100: -2.47

Publications

3 publications found
Variant links:
Genes affected
MYH6 (HGNC:7576): (myosin heavy chain 6) Cardiac muscle myosin is a hexamer consisting of two heavy chain subunits, two light chain subunits, and two regulatory subunits. This gene encodes the alpha heavy chain subunit of cardiac myosin. The gene is located approximately 4kb downstream of the gene encoding the beta heavy chain subunit of cardiac myosin. Mutations in this gene cause familial hypertrophic cardiomyopathy and atrial septal defect 3. [provided by RefSeq, Feb 2017]
MYH6 Gene-Disease associations (from GenCC):
  • MYH-6 related congenital heart defects
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • hypertrophic cardiomyopathy 14
    Inheritance: AD Classification: STRONG, LIMITED Submitted by: Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)
  • Keppen-Lubinsky syndrome
    Inheritance: AD Classification: MODERATE Submitted by: Illumina
  • familial isolated dilated cardiomyopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • atrial septal defect 3
    Inheritance: AD Classification: LIMITED Submitted by: G2P
  • dilated cardiomyopathy
    Inheritance: AD Classification: LIMITED Submitted by: ClinGen
  • hypertrophic cardiomyopathy
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.68).
BP6
Variant 14-23383234-G-A is Benign according to our data. Variant chr14-23383234-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 312839.
BP7
Synonymous conserved (PhyloP=-2.47 with no splicing effect.
BS1
Variant frequency is greater than expected in population mid. GnomAdExome4 allele frequency = 0.00057 (833/1460878) while in subpopulation MID AF = 0.00213 (11/5162). AF 95% confidence interval is 0.00119. There are 8 homozygotes in GnomAdExome4. There are 417 alleles in the male GnomAdExome4 subpopulation. Median coverage is 35. This position passed quality control check.
BS2
High AC in GnomAd4 at 90 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002471.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MYH6
NM_002471.4
MANE Select
c.5652C>Tp.Ala1884Ala
synonymous
Exon 37 of 39NP_002462.2P13533

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MYH6
ENST00000405093.9
TSL:5 MANE Select
c.5652C>Tp.Ala1884Ala
synonymous
Exon 37 of 39ENSP00000386041.3P13533
MYH6
ENST00000968262.1
c.5685C>Tp.Ala1895Ala
synonymous
Exon 37 of 39ENSP00000638321.1
MYH6
ENST00000968257.1
c.5676C>Tp.Ala1892Ala
synonymous
Exon 37 of 39ENSP00000638316.1

Frequencies

GnomAD3 genomes
AF:
0.000593
AC:
90
AN:
151762
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000485
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.0164
Gnomad EAS
AF:
0.000579
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000353
Gnomad OTH
AF:
0.000960
GnomAD2 exomes
AF:
0.00111
AC:
279
AN:
251436
AF XY:
0.00100
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.0205
Gnomad EAS exome
AF:
0.00120
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000281
Gnomad OTH exome
AF:
0.00163
GnomAD4 exome
AF:
0.000570
AC:
833
AN:
1460878
Hom.:
8
Cov.:
35
AF XY:
0.000574
AC XY:
417
AN XY:
726760
show subpopulations
African (AFR)
AF:
0.0000598
AC:
2
AN:
33436
American (AMR)
AF:
0.000112
AC:
5
AN:
44714
Ashkenazi Jewish (ASJ)
AF:
0.0178
AC:
466
AN:
26126
East Asian (EAS)
AF:
0.000806
AC:
32
AN:
39688
South Asian (SAS)
AF:
0.000197
AC:
17
AN:
86216
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53402
Middle Eastern (MID)
AF:
0.00213
AC:
11
AN:
5162
European-Non Finnish (NFE)
AF:
0.000194
AC:
216
AN:
1111814
Other (OTH)
AF:
0.00139
AC:
84
AN:
60320
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.457
Heterozygous variant carriers
0
45
91
136
182
227
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
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:
0.000593
AC:
90
AN:
151876
Hom.:
0
Cov.:
32
AF XY:
0.000553
AC XY:
41
AN XY:
74206
show subpopulations
African (AFR)
AF:
0.0000483
AC:
2
AN:
41384
American (AMR)
AF:
0.000131
AC:
2
AN:
15238
Ashkenazi Jewish (ASJ)
AF:
0.0164
AC:
57
AN:
3468
East Asian (EAS)
AF:
0.000580
AC:
3
AN:
5172
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4798
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10512
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000353
AC:
24
AN:
67992
Other (OTH)
AF:
0.000950
AC:
2
AN:
2106
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.503
Heterozygous variant carriers
0
6
11
17
22
28
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00146
Hom.:
2
Bravo
AF:
0.000672
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000981
EpiControl
AF:
0.000948

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
5
not provided (6)
-
-
4
not specified (4)
-
-
1
Cardiomyopathy (1)
-
-
1
Cardiovascular phenotype (1)
-
-
1
Hypertrophic cardiomyopathy 14 (1)
-
-
1
MYH6-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.68
CADD
Benign
0.82
DANN
Benign
0.82
PhyloP100
-2.5
Mutation Taster
=95/5
polymorphism

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

Other links and lift over

dbSNP: rs200662317; hg19: chr14-23852443; API