19-50210400-A-G

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001145809.2(MYH14):c.35A>G(p.Lys12Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. K12K) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

MYH14
NM_001145809.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.82

Publications

0 publications found

Variant links:

Genes affected

MYH14 (HGNC:23212): (myosin heavy chain 14) This gene encodes a member of the myosin superfamily. The protein represents a conventional non-muscle myosin; it should not be confused with the unconventional myosin-14 (MYO14). Myosins are actin-dependent motor proteins with diverse functions including regulation of cytokinesis, cell motility, and cell polarity. Mutations in this gene result in one form of autosomal dominant hearing impairment. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2011]

MYH14 Gene-Disease associations (from GenCC):

autosomal dominant nonsyndromic hearing loss 4A
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), Ambry Genetics
peripheral neuropathy-myopathy-hoarseness-hearing loss syndrome
Inheritance: AD Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae)
nonsyndromic genetic hearing loss
Inheritance: AD Classification: MODERATE Submitted by: ClinGen
autosomal dominant nonsyndromic hearing loss
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

MYH14 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.24985772).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYH14	NM_001145809.2 link	c.35A>G	p.Lys12Arg	missense_variant	Exon 2 of 43	ENST00000642316.2	NP_001139281.1	Q7Z406-2A1L2Z2B3KWH4
MYH14	NM_001077186.2 link	c.35A>G	p.Lys12Arg	missense_variant	Exon 2 of 42		NP_001070654.1	Q7Z406-6B3KWH4
MYH14	NM_024729.4 link	c.35A>G	p.Lys12Arg	missense_variant	Exon 2 of 41		NP_079005.3	Q7Z406-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYH14	ENST00000642316.2 link	c.35A>G	p.Lys12Arg	missense_variant	Exon 2 of 43		NM_001145809.2	ENSP00000493594.1		Q7Z406-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0;AS_VQSR

AF:

0.00

AC:

AN:

1427034

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

708026

African (AFR)

AF:

0.00

AC:

AN:

30818

American (AMR)

AF:

0.00

AC:

AN:

41240

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25302

East Asian (EAS)

AF:

0.00

AC:

AN:

37094

South Asian (SAS)

AF:

0.00

AC:

AN:

81842

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49716

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5690

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1096560

Other (OTH)

AF:

0.00

AC:

AN:

58772

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Dec 30, 2024

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

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Variant summary: MYH14 c.35A>G (p.Lys12Arg) results in a conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant was absent in 187364 control chromosomes. The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. To our knowledge, no occurrence of c.35A>G in individuals affected with MYH14-related conditions and no experimental evidence demonstrating its impact on protein function have been reported. No submitters have cited clinical-significance assessments for this variant to ClinVar. Based on the evidence outlined above, the variant was classified as uncertain significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.071

BayesDel_addAF

Benign

-0.021

BayesDel_noAF

Benign

-0.27

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.079

.;.;T;.;T;.;.;T

Eigen

Benign

-0.097

Eigen_PC

Benign

0.029

FATHMM_MKL

Uncertain

0.81

LIST_S2

Benign

0.82

.;T;T;.;T;T;T;.

M_CAP

Uncertain

0.13

MetaRNN

Benign

0.25

T;T;T;T;T;T;T;T

MetaSVM

Benign

-0.36

MutationAssessor

Benign

1.0

L;L;L;L;.;L;.;L

PhyloP100

2.8

PrimateAI

Pathogenic

0.81

PROVEAN

Benign

-0.28

.;N;N;.;.;.;.;.

REVEL

Uncertain

0.30

Sift

Benign

0.10

.;T;T;.;.;.;.;.

Sift4G

Pathogenic

0.0

D;D;D;.;T;D;.;D

Polyphen

0.43

B;B;B;B;.;B;.;B

Vest4

0.32

MutPred

0.17

Loss of ubiquitination at K12 (P = 0.0118);Loss of ubiquitination at K12 (P = 0.0118);Loss of ubiquitination at K12 (P = 0.0118);Loss of ubiquitination at K12 (P = 0.0118);Loss of ubiquitination at K12 (P = 0.0118);Loss of ubiquitination at K12 (P = 0.0118);Loss of ubiquitination at K12 (P = 0.0118);Loss of ubiquitination at K12 (P = 0.0118);

MVP

0.62

MPC

0.38

ClinPred

0.57

GERP RS

4.3

PromoterAI

-0.051

Neutral

(source)

Varity_R

0.060

gMVP

0.47

Mutation Taster

=93/7

polymorphism

(source)

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

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over