rs150033906

Variant names:

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS1

The NM_002474.3(MYH11):c.3973C>G(p.Gln1325Glu) variant causes a missense change. The variant allele was found at a frequency of 0.000517 in 1,613,970 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 Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q1325K) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00046 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00052 ( 0 hom. )

Consequence

MYH11
NM_002474.3 missense

Scores

Clinical Significance

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

Conservation

PhyloP100: 5.86

Publications

4 publications found

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]

MYH11 links:

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]

NDE1 Gene-Disease associations (from GenCC):

lissencephaly 4
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: PanelApp Australia, Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine
hydranencephaly
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
microlissencephaly
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
NDE1-related microhydranencephaly
Inheritance: Unknown, AR Classification: SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet

NDE1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.009694606).

BP6

Variant 16-15724790-G-C is Benign according to our data. Variant chr16-15724790-G-C is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 201070.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.00046 (70/152302) while in subpopulation NFE AF = 0.000206 (14/68028). AF 95% confidence interval is 0.000124. There are 0 homozygotes in GnomAd4. There are 46 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
MYH11	NM_002474.3 link	c.3973C>G	p.Gln1325Glu	missense_variant	Exon 30 of 41	ENST00000300036.6	NP_002465.1	P35749-1A0A024QZJ4
MYH11	NM_001040113.2 link	c.3994C>G	p.Gln1332Glu	missense_variant	Exon 31 of 43	ENST00000452625.7	NP_001035202.1	P35749-3
NDE1	NM_017668.3 link	c.*539G>C		3_prime_UTR_variant	Exon 9 of 9	ENST00000396354.6	NP_060138.1	Q9NXR1-2X5DR54

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
MYH11	ENST00000300036.6 link	c.3973C>G	p.Gln1325Glu	missense_variant	Exon 30 of 41	1	NM_002474.3	ENSP00000300036.5	P35749-1
MYH11	ENST00000452625.7 link	c.3994C>G	p.Gln1332Glu	missense_variant	Exon 31 of 43	1	NM_001040113.2	ENSP00000407821.2	P35749-3
NDE1	ENST00000396354.6 link	c.*539G>C		3_prime_UTR_variant	Exon 9 of 9	1	NM_017668.3	ENSP00000379642.1	Q9NXR1-2

Frequencies

GnomAD3 genomes

AF:

0.000460

AC:

AN:

152184

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00499

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000206

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000633

AC:

159

AN:

251126

AF XY:

0.000604

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000867

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00474

Gnomad NFE exome

AF:

0.000423

Gnomad OTH exome

AF:

0.000978

GnomAD4 exome

AF:

0.000523

AC:

765

AN:

1461668

Hom.:

Cov.:

AF XY:

0.000474

AC XY:

345

AN XY:

727168

show subpopulations

African (AFR)

AF:

0.0000896

AC:

AN:

33480

American (AMR)

AF:

0.0000671

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00464

AC:

247

AN:

53200

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000443

AC:

493

AN:

1112008

Other (OTH)

AF:

0.000315

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

106

160

213

266

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

120

<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:

0.000460

AC:

AN:

152302

Hom.:

Cov.:

AF XY:

0.000618

AC XY:

AN XY:

74472

show subpopulations

African (AFR)

AF:

0.0000722

AC:

AN:

41556

American (AMR)

AF:

0.00

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00499

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000206

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.513

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:

0.000157

Hom.:

Bravo

AF:

0.000136

TwinsUK

AF:

0.00108

AC:

ALSPAC

AF:

0.000519

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.000626

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.000296

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:10

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:4

Genome Diagnostics Laboratory, University Medical Center Utrecht

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Jan 15, 2020

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Oct 26, 2023

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Familial thoracic aortic aneurysm and aortic dissection

Benign:3

Feb 26, 2019

CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Oct 26, 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. -

Nov 30, 2018

Color Diagnostics, LLC DBA Color Health

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not specified

Benign:1

Dec 11, 2018

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

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Variant summary: MYH11 c.3994C>G (p.Gln1332Glu) results in a conservative amino acid change located in the Myosin tail domain of the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.00067 in 276842 control chromosomes, predominantly at a frequency of 0.005 within the Finnish subpopulation in the gnomAD database. The observed variant frequency within Finnish control individuals in the gnomAD database is approximately 4000 fold of the estimated maximal expected allele frequency for a pathogenic variant in MYH11 causing Aortopathy phenotype (1.3e-06), strongly suggesting that the variant is a benign polymorphism found primarily in populations of Finnish origin. To our knowledge, no occurrence of c.3994C>G in individuals affected with Aortopathy and no experimental evidence demonstrating its impact on protein function have been reported. Three ClinVar submissions from clinical diagnostic laboratories (evaluation after 2014) cite the variant twice as uncertain significance and once as benign. Based on the evidence outlined above, the variant was classified as benign. -

Aortic aneurysm, familial thoracic 4

Benign:1

Jan 19, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

MYH11-related disorder

Benign:1

Sep 28, 2020

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

AlphaMissense

Benign

0.094

BayesDel_addAF

Benign

-0.30

BayesDel_noAF

Benign

-0.35

CADD

Uncertain

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.35

.;.;.;T

Eigen

Benign

-0.24

Eigen_PC

Benign

0.0077

FATHMM_MKL

Uncertain

0.90

LIST_S2

Uncertain

0.96

D;D;D;D

M_CAP

Benign

0.0089

MetaRNN

Benign

0.0097

T;T;T;T

MetaSVM

Benign

-0.92

MutationAssessor

Benign

0.54

.;.;N;N

PhyloP100

5.9

PrimateAI

Uncertain

0.70

PROVEAN

Benign

-0.83

N;N;.;N

REVEL

Benign

0.094

Sift

Benign

0.58

T;T;.;T

Sift4G

Benign

1.0

T;T;T;T

Polyphen

0.0050

.;.;.;B

Vest4

0.41

MVP

0.59

MPC

0.23

ClinPred

0.032

GERP RS

5.3

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.16

gMVP

0.12

Mutation Taster

=94/6

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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