Genetic Variant NM_003802.3:c.5354G>T (chr17-10306571-C-A) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_003802.3(MYH13):c.5354G>T(p.Arg1785Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,882 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1785Q) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

MYH13
NM_003802.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.97

Publications

0 publications found

Variant links:

Genes affected

MYH13 (HGNC:7571): (myosin heavy chain 13) Predicted to enable microfilament motor activity. Predicted to be involved in muscle contraction. Predicted to act upstream of or within cellular response to starvation. Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

MYH13 links:

MYHAS (HGNC:50609): (myosin heavy chain gene cluster antisense RNA) Predicted to enable primary miRNA binding activity. Predicted to be involved in response to muscle activity and skeletal muscle fiber development. Predicted to act upstream of or within with a positive effect on gene expression. Predicted to be located in cytoplasm and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

MYHAS links:

LOC107985004 (HGNC:):

LOC107985004 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.853

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYH13	NM_003802.3 link	c.5354G>T	p.Arg1785Leu	missense_variant	Exon 37 of 41	ENST00000252172.9	NP_003793.2	Q9UKX3
LOC107985004	XR_001752791.3 link	n.96-10927C>A		intron_variant	Intron 1 of 4
LOC107985004	XR_007065617.1 link	n.96-10927C>A		intron_variant	Intron 1 of 4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYH13	ENST00000252172.9 link	c.5354G>T	p.Arg1785Leu	missense_variant	Exon 37 of 41	1	NM_003802.3	ENSP00000252172.4		Q9UKX3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461882

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727238

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

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:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.67

BayesDel_addAF

Pathogenic

0.40

BayesDel_noAF

Pathogenic

0.34

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.49

T;T;T

Eigen

Pathogenic

0.87

Eigen_PC

Pathogenic

0.74

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Pathogenic

0.97

.;D;.

M_CAP

Uncertain

0.13

MetaRNN

Pathogenic

0.85

D;D;D

MetaSVM

Pathogenic

0.80

MutationAssessor

Pathogenic

4.2

H;H;H

PhyloP100

5.0

PrimateAI

Pathogenic

0.87

PROVEAN

Pathogenic

-5.0

.;.;D

REVEL

Pathogenic

0.84

Sift

Pathogenic

0.0

.;.;D

Sift4G

Uncertain

0.0020

D;D;D

Polyphen

1.0

D;D;D

Vest4

0.78

MutPred

0.57

Loss of MoRF binding (P = 0.0069);Loss of MoRF binding (P = 0.0069);Loss of MoRF binding (P = 0.0069);

MVP

0.84

MPC

0.19

ClinPred

1.0

GERP RS

4.2

Varity_R

0.78

gMVP

0.71

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over