16-15727006-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_002474.3(MYH11):​c.3700G>A​(p.Ala1234Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.264 in 1,613,080 control chromosomes in the GnomAD database, including 58,964 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.21 ( 3881 hom., cov: 30)
Exomes 𝑓: 0.27 ( 55083 hom. )

Consequence

MYH11
NM_002474.3 missense

Scores

3
15

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:16

Conservation

PhyloP100: 0.566
Variant links:
Genes affected
MYH11 (HGNC:7569): (myosin heavy chain 11) The protein encoded by this gene is a smooth muscle myosin belonging to the myosin heavy chain family. The gene product is a subunit of a hexameric protein that consists of two heavy chain subunits and two pairs of non-identical light chain subunits. It functions as a major contractile protein, converting chemical energy into mechanical energy through the hydrolysis of ATP. A chromosomal rearrangement involving this gene is associated with acute myeloid leukemia of the M4Eo subtype. Mutations in this gene are associated with visceral myopathy, megacystis-microcolon-intestinal hypoperistalsis syndrome 2, and familial thoracic aortic aneurysm 4. [provided by RefSeq, May 2022]
NDE1 (HGNC:17619): (nudE neurodevelopment protein 1) This gene encodes a member of the nuclear distribution E (NudE) family of proteins. The encoded protein is localized at the centrosome and interacts with other centrosome components as part of a multiprotein complex that regulates dynein function. This protein plays an essential role in microtubule organization, mitosis and neuronal migration. Mutations in this gene cause lissencephaly 4, a disorder characterized by lissencephaly, severe brain atrophy, microcephaly, and severe cognitive disability. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2012]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0012848079).
BP6
Variant 16-15727006-C-T is Benign according to our data. Variant chr16-15727006-C-T is described in ClinVar as [Benign]. Clinvar id is 138334.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-15727006-C-T is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.286 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
MYH11NM_002474.3 linkc.3700G>A p.Ala1234Thr missense_variant Exon 28 of 41 ENST00000300036.6 NP_002465.1 P35749-1A0A024QZJ4
MYH11NM_001040113.2 linkc.3721G>A p.Ala1241Thr missense_variant Exon 29 of 43 ENST00000452625.7 NP_001035202.1 P35749-3
MYH11NM_001040114.2 linkc.3721G>A p.Ala1241Thr missense_variant Exon 29 of 42 NP_001035203.1 P35749-2
MYH11NM_022844.3 linkc.3700G>A p.Ala1234Thr missense_variant Exon 28 of 42 NP_074035.1 P35749-4A0A024QZJ6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
MYH11ENST00000300036.6 linkc.3700G>A p.Ala1234Thr missense_variant Exon 28 of 41 1 NM_002474.3 ENSP00000300036.5 P35749-1
MYH11ENST00000452625.7 linkc.3721G>A p.Ala1241Thr missense_variant Exon 29 of 43 1 NM_001040113.2 ENSP00000407821.2 P35749-3

Frequencies

GnomAD3 genomes
AF:
0.213
AC:
32222
AN:
151472
Hom.:
3880
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0876
Gnomad AMI
AF:
0.103
Gnomad AMR
AF:
0.239
Gnomad ASJ
AF:
0.143
Gnomad EAS
AF:
0.299
Gnomad SAS
AF:
0.230
Gnomad FIN
AF:
0.250
Gnomad MID
AF:
0.155
Gnomad NFE
AF:
0.275
Gnomad OTH
AF:
0.206
GnomAD3 exomes
AF:
0.247
AC:
61945
AN:
251094
Hom.:
8206
AF XY:
0.246
AC XY:
33328
AN XY:
135742
show subpopulations
Gnomad AFR exome
AF:
0.0828
Gnomad AMR exome
AF:
0.257
Gnomad ASJ exome
AF:
0.142
Gnomad EAS exome
AF:
0.296
Gnomad SAS exome
AF:
0.219
Gnomad FIN exome
AF:
0.262
Gnomad NFE exome
AF:
0.274
Gnomad OTH exome
AF:
0.233
GnomAD4 exome
AF:
0.270
AC:
394158
AN:
1461488
Hom.:
55083
Cov.:
38
AF XY:
0.268
AC XY:
194872
AN XY:
727068
show subpopulations
Gnomad4 AFR exome
AF:
0.0841
Gnomad4 AMR exome
AF:
0.253
Gnomad4 ASJ exome
AF:
0.142
Gnomad4 EAS exome
AF:
0.333
Gnomad4 SAS exome
AF:
0.220
Gnomad4 FIN exome
AF:
0.258
Gnomad4 NFE exome
AF:
0.283
Gnomad4 OTH exome
AF:
0.245
GnomAD4 genome
AF:
0.213
AC:
32222
AN:
151592
Hom.:
3881
Cov.:
30
AF XY:
0.212
AC XY:
15705
AN XY:
74038
show subpopulations
Gnomad4 AFR
AF:
0.0876
Gnomad4 AMR
AF:
0.238
Gnomad4 ASJ
AF:
0.143
Gnomad4 EAS
AF:
0.298
Gnomad4 SAS
AF:
0.229
Gnomad4 FIN
AF:
0.250
Gnomad4 NFE
AF:
0.275
Gnomad4 OTH
AF:
0.207
Alfa
AF:
0.251
Hom.:
13209
Bravo
AF:
0.206
TwinsUK
AF:
0.272
AC:
1010
ALSPAC
AF:
0.290
AC:
1117
ESP6500AA
AF:
0.0988
AC:
434
ESP6500EA
AF:
0.262
AC:
2253
ExAC
AF:
0.246
AC:
29828
Asia WGS
AF:
0.275
AC:
956
AN:
3478
EpiCase
AF:
0.255
EpiControl
AF:
0.254

ClinVar

Significance: Benign
Submissions summary: Benign:16
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Familial thoracic aortic aneurysm and aortic dissection Benign:4
Apr 08, 2019
CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Mar 07, 2018
Color Diagnostics, LLC DBA Color Health
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Oct 03, 2024
All of Us Research Program, National Institutes of Health
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 25, 2015
Ambry Genetics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

General population or subpopulation frequency is too high to be a pathogenic mutation based on disease/syndrome prevalence and penetrance -

not specified Benign:3
Nov 05, 2012
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. -

-
PreventionGenetics, part of Exact Sciences
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Apr 04, 2013
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Ala1241Thr in exon 29 of MYH11: This variant is not expected to have clinical si gnificance because it has been identified in 26.2% (2253/8600) of European Ameri can chromosomes from a broad population by the NHLBI Exome Sequencing Project (h ttp://evs.gs.washington.edu/EVS; dbSNP rs16967494). -

Aortic aneurysm, familial thoracic 4 Benign:3
Jan 12, 2018
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Feb 04, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Sep 05, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:2
-
Breakthrough Genomics, Breakthrough Genomics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: not provided

- -

Nov 27, 2024
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Visceral myopathy 2 Benign:1
Sep 05, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Megacystis-microcolon-intestinal hypoperistalsis syndrome 2 Benign:1
Sep 05, 2021
Genome-Nilou Lab
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Lissencephaly, Recessive Benign:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Cardiovascular phenotype Benign:1
Nov 24, 2014
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: 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
Benign
0.068
BayesDel_addAF
Benign
-0.60
T
BayesDel_noAF
Benign
-0.49
CADD
Uncertain
24
DANN
Uncertain
0.98
DEOGEN2
Benign
0.38
.;.;.;T
Eigen
Benign
-0.39
Eigen_PC
Benign
-0.26
FATHMM_MKL
Benign
0.39
N
LIST_S2
Uncertain
0.90
D;D;D;D
MetaRNN
Benign
0.0013
T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.0
.;.;L;L
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
-0.85
N;N;.;N
REVEL
Benign
0.25
Sift
Benign
0.26
T;T;.;T
Sift4G
Benign
0.32
T;T;T;T
Polyphen
0.013
.;.;.;B
Vest4
0.082
MPC
0.34
ClinPred
0.0066
T
GERP RS
4.7
Varity_R
0.096
gMVP
0.049

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: rs16967494; hg19: chr16-15820863; COSMIC: COSV55543853; COSMIC: COSV55543853; API