rs374766654

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_000260.4(MYO7A):​c.4735G>A​(p.Glu1579Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000304 in 1,613,532 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

MYO7A
NM_000260.4 missense

Scores

11
7
1

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:4

Conservation

PhyloP100: 9.21
Variant links:
Genes affected
MYO7A (HGNC:7606): (myosin VIIA) This gene is a member of the myosin gene family. Myosins are mechanochemical proteins characterized by the presence of a motor domain, an actin-binding domain, a neck domain that interacts with other proteins, and a tail domain that serves as an anchor. This gene encodes an unconventional myosin with a very short tail. Defects in this gene are associated with the mouse shaker-1 phenotype and the human Usher syndrome 1B which are characterized by deafness, reduced vestibular function, and (in human) retinal degeneration. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.779

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
MYO7ANM_000260.4 linkc.4735G>A p.Glu1579Lys missense_variant Exon 35 of 49 ENST00000409709.9 NP_000251.3 Q13402-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
MYO7AENST00000409709.9 linkc.4735G>A p.Glu1579Lys missense_variant Exon 35 of 49 1 NM_000260.4 ENSP00000386331.3 Q13402-1
MYO7AENST00000458637.6 linkc.4621G>A p.Glu1541Lys missense_variant Exon 35 of 49 1 ENSP00000392185.2 Q13402-2
MYO7AENST00000409619.6 linkc.4588G>A p.Glu1530Lys missense_variant Exon 36 of 50 1 ENSP00000386635.2 Q13402-8
MYO7AENST00000458169.2 linkc.2164G>A p.Glu722Lys missense_variant Exon 15 of 29 1 ENSP00000417017.2 H7C4D8
MYO7AENST00000670577.1 linkn.2575G>A non_coding_transcript_exon_variant Exon 18 of 32 ENSP00000499323.1 A0A590UJ94

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152220
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000443
AC:
11
AN:
248256
Hom.:
0
AF XY:
0.0000223
AC XY:
3
AN XY:
134782
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000145
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000445
Gnomad OTH exome
AF:
0.000166
GnomAD4 exome
AF:
0.0000287
AC:
42
AN:
1461312
Hom.:
0
Cov.:
31
AF XY:
0.0000193
AC XY:
14
AN XY:
726922
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000895
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000297
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152220
Hom.:
0
Cov.:
33
AF XY:
0.0000538
AC XY:
4
AN XY:
74374
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000860
Hom.:
0
Bravo
AF:
0.0000227
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000119
AC:
1
ExAC
AF:
0.0000413
AC:
5

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Uncertain:2
Aug 13, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces glutamic acid, which is acidic and polar, with lysine, which is basic and polar, at codon 1579 of the MYO7A protein (p.Glu1579Lys). This variant is present in population databases (rs374766654, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with MYO7A-related conditions. ClinVar contains an entry for this variant (Variation ID: 504648). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is not expected to disrupt MYO7A protein function with a negative predictive value of 95%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Dec 07, 2023
GeneDx
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 37115922) -

not specified Uncertain:1
Dec 21, 2017
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The p.Glu1579Lys variant in MYO7A has not been previously reported in individual s with hearing loss or Usher syndrome, but has been identified in 8/ 126284 of E uropean chromosomes and 5/ 34374 of Latino chromosomes by the Genome Aggregation Database (gnomAD, http://gnomad.broadinstitute.org; dbSNP rs374766654). Althoug h this variant has been seen in the general population, its frequency is not hig h enough to rule out a pathogenic role. Computational prediction tools and conse rvation analyses do not provide strong support for or against an impact to the p rotein. In summary, the clinical significance of the p.Glu1579Lys variant is un certain. ACMG/AMP Criteria applied: None. -

Usher syndrome type 1B Uncertain:1
Nov 11, 2019
Natera, Inc.
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.83
BayesDel_addAF
Pathogenic
0.17
D
BayesDel_noAF
Pathogenic
0.25
CADD
Pathogenic
32
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.71
D;.;.;T
Eigen
Pathogenic
0.91
Eigen_PC
Pathogenic
0.85
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
D;D;D;D
M_CAP
Uncertain
0.22
D
MetaRNN
Pathogenic
0.78
D;D;D;D
MetaSVM
Uncertain
0.19
D
MutationAssessor
Uncertain
2.2
M;.;.;.
PrimateAI
Pathogenic
0.79
T
PROVEAN
Uncertain
-3.9
D;D;D;D
REVEL
Pathogenic
0.72
Sift
Uncertain
0.0040
D;D;D;D
Sift4G
Uncertain
0.010
D;D;D;D
Polyphen
1.0
D;.;.;.
Vest4
0.94
MVP
0.91
MPC
0.49
ClinPred
0.84
D
GERP RS
5.0
Varity_R
0.66
gMVP
0.73

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs374766654; hg19: chr11-76910746; API