Genetic Variant MYO1A:p.Glu126Gln (chr12-57047357-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_005379.4(MYO1A):c.376G>C(p.Glu126Gln) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,461,882 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. 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. E126K) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

MYO1A
NM_005379.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.48

Publications

6 publications found

Variant links:

Genes affected

MYO1A (HGNC:7595): (myosin IA) This gene encodes a member of the myosin superfamily. The protein represents an unconventional myosin; it should not be confused with the conventional skeletal muscle myosin-1 (MYH1). Unconventional myosins contain the basic domains characteristic of conventional myosins and are further distinguished from class members by their tail domains. They function as actin-based molecular motors. Mutations in this gene have been associated with autosomal dominant deafness. Alternatively spliced variants have been found for this gene. [provided by RefSeq, Dec 2011]

MYO1A Gene-Disease associations (from GenCC):

nonsyndromic genetic hearing loss
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

MYO1A 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=0.24585488).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MYO1A	NM_005379.4 link	c.376G>C	p.Glu126Gln	missense_variant	Exon 5 of 28	ENST00000300119.8	NP_005370.1	Q9UBC5
MYO1A	NM_001256041.2 link	c.376G>C	p.Glu126Gln	missense_variant	Exon 6 of 29		NP_001242970.1	Q9UBC5B2R643
MYO1A	XM_047428876.1 link	c.376G>C	p.Glu126Gln	missense_variant	Exon 6 of 29		XP_047284832.1
MYO1A	XM_011538373.3 link	c.376G>C	p.Glu126Gln	missense_variant	Exon 5 of 25		XP_011536675.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MYO1A	ENST00000300119.8 link	c.376G>C	p.Glu126Gln	missense_variant	Exon 5 of 28	1	NM_005379.4	ENSP00000300119.3		Q9UBC5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250812

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461882

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727244

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.0000224

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:

0.0000116

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112008

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.079

BayesDel_addAF

Benign

-0.045

BayesDel_noAF

Benign

-0.30

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.15

T;T

Eigen

Uncertain

0.41

Eigen_PC

Uncertain

0.47

FATHMM_MKL

Uncertain

0.83

LIST_S2

Benign

0.80

.;T

M_CAP

Benign

0.030

MetaRNN

Benign

0.25

T;T

MetaSVM

Uncertain

-0.15

MutationAssessor

Benign

0.33

N;N

PhyloP100

4.5

PrimateAI

Benign

0.41

PROVEAN

Benign

-0.69

N;N

REVEL

Benign

0.28

Sift

Benign

0.47

T;T

Sift4G

Benign

0.53

T;T

Polyphen

0.99

D;D

Vest4

0.21

MutPred

0.26

Gain of MoRF binding (P = 0.0725);Gain of MoRF binding (P = 0.0725);

MVP

0.88

MPC

0.090

ClinPred

0.75

GERP RS

5.2

Varity_R

0.097

gMVP

0.41

Mutation Taster

=291/9

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over