16-15703986-G-C

Position:

• chr16-15703986-G-C

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_Strong BP6_Very_Strong BA1

The NM_002474.3(MYH11):​c.*5C>G variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00495 in 1,613,956 control chromosomes in the GnomAD database, including 350 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

• Frequency:
  • Genomes: 𝑓 0.027 (185 hom., cov: 32)
  • Exomes 𝑓: 0.0026 (165 hom.)
• Consequence: MYH11 NM_002474.3 3_prime_UTR
• Clinical Significance: Benign/Likely benign criteria provided, multiple submitters, no conflicts B:9
• Conservation: PhyloP100: 1.96

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]

ACMG classification

Verdict is Benign. Variant got -20 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.82).
• BP6: Variant 16-15703986-G-C is Benign according to our data. Variant chr16-15703986-G-C is described in ClinVar as [Likely_benign]. Clinvar id is 192314.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0924 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
MYH11	NM_001040113.2	c.*146C>G		3_prime_UTR_variant	43/43	ENST00000452625.7
MYH11	NM_002474.3	c.*5C>G		3_prime_UTR_variant	41/41	ENST00000300036.6
NDE1	NM_017668.3	c.947+7126G>C		intron_variant		ENST00000396354.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
MYH11	ENST00000300036.6	c.*5C>G		3_prime_UTR_variant	41/41	1	NM_002474.3	P3
MYH11	ENST00000452625.7	c.*146C>G		3_prime_UTR_variant	43/43	1	NM_001040113.2
NDE1	ENST00000396354.6	c.947+7126G>C		intron_variant		1	NM_017668.3	P1

Frequencies

GnomAD3 genomes AF: 0.0270 AC: 4107 AN: 152010 Hom.: 185 Cov.: 32

Gnomad AFR AF: 0.0949

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00918

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00316

Gnomad NFE AF: 0.000118

Gnomad OTH AF: 0.0168

GnomAD3 exomes AF: 0.00691 AC: 1737 AN: 251486 Hom.: 78 AF XY: 0.00511 AC XY: 695 AN XY: 135916

Gnomad AFR exome AF: 0.0952

Gnomad AMR exome AF: 0.00474

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.0000980

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000967

Gnomad OTH exome AF: 0.00196

GnomAD4 exome AF: 0.00265 AC: 3867 AN: 1461826 Hom.: 165 Cov.: 31 AF XY: 0.00221 AC XY: 1604 AN XY: 727208

Gnomad4 AFR exome AF: 0.0938

Gnomad4 AMR exome AF: 0.00523

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.000290

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.0000800

Gnomad4 OTH exome AF: 0.00601

GnomAD4 genome AF: 0.0271 AC: 4118 AN: 152130 Hom.: 185 Cov.: 32 AF XY: 0.0257 AC XY: 1912 AN XY: 74406

Gnomad4 AFR AF: 0.0949

Gnomad4 AMR AF: 0.00910

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000118

Gnomad4 OTH AF: 0.0166

Alfa AF: 0.00829 Hom.: 17

Bravo AF: 0.0311

Asia WGS AF: 0.00491 AC: 17 AN: 3478

EpiCase AF: 0.000109

EpiControl AF: 0.0000593

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:9

Revision: criteria provided, multiple submitters, no conflicts

Submissions by phenotype

not specified Benign:3

Benign, criteria provided, single submitter	clinical testing	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	Apr 04, 2013	*5C>G in exon 42 of MYH11: This variant is not expected to have clinical signifi cance because it has been identified in 8.8% (388/4394) of African American chro mosomes from a broad population by the NHLBI Exome Sequencing Project (http://ev s.gs.washington.edu/EVS; dbSNP rs1875184). -
Benign, criteria provided, single submitter	clinical testing	GeneDx	Dec 28, 2012	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. -
Benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -

Familial thoracic aortic aneurysm and aortic dissection Benign:3

Benign, criteria provided, single submitter	clinical testing	Ambry Genetics	Sep 09, 2015	This alteration is classified as 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. -
Likely benign, criteria provided, single submitter	clinical testing	Illumina Laboratory Services, Illumina	Jun 14, 2016	- -
Benign, criteria provided, single submitter	clinical testing	Color Diagnostics, LLC DBA Color Health	Mar 19, 2018	- -

Lissencephaly 4 Benign:1

Benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 13, 2018

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. -

Aortic aneurysm, familial thoracic 4 Benign:1

Benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 12, 2018

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. -

not provided Benign:1

Likely benign, criteria provided, single submitter

not provided

Breakthrough Genomics, Breakthrough Genomics

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Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.82
CADD	Benign	8.3
DANN	Benign	0.58

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

Other links and lift over

dbSNP: rs1875184; hg19: chr16-15797843;