11-77180404-C-G

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_000260.4(MYO7A):​c.2617C>G​(p.Arg873Gly) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,459,684 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. R873W) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

MYO7A
NM_000260.4 missense

Scores

7
10
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.76

Publications

7 publications found
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]
MYO7A Gene-Disease associations (from GenCC):
  • nonsyndromic genetic hearing loss
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • autosomal recessive nonsyndromic hearing loss 2
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Ambry Genetics, G2P
  • Usher syndrome type 1
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Orphanet, PanelApp Australia
  • Usher syndrome type 1B
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
  • autosomal dominant nonsyndromic hearing loss 11
    Inheritance: AD Classification: STRONG, MODERATE Submitted by: Ambry Genetics, PanelApp Australia, Labcorp Genetics (formerly Invitae)
  • autosomal dominant nonsyndromic hearing loss
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • hearing loss, autosomal recessive
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • Usher syndrome type 2
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.825

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
MYO7ANM_000260.4 linkc.2617C>G p.Arg873Gly missense_variant Exon 22 of 49 ENST00000409709.9 NP_000251.3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
MYO7AENST00000409709.9 linkc.2617C>G p.Arg873Gly missense_variant Exon 22 of 49 1 NM_000260.4 ENSP00000386331.3
MYO7AENST00000458637.6 linkc.2617C>G p.Arg873Gly missense_variant Exon 22 of 49 1 ENSP00000392185.2
MYO7AENST00000409619.6 linkc.2584C>G p.Arg862Gly missense_variant Exon 23 of 50 1 ENSP00000386635.2
MYO7AENST00000458169.2 linkc.160C>G p.Arg54Gly missense_variant Exon 2 of 29 1 ENSP00000417017.2
MYO7AENST00000670577.1 linkn.457C>G non_coding_transcript_exon_variant Exon 5 of 32 ENSP00000499323.1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD2 exomes
AF:
0.00000407
AC:
1
AN:
245898
AF XY:
0.00000746
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000901
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.85e-7
AC:
1
AN:
1459684
Hom.:
0
Cov.:
32
AF XY:
0.00000138
AC XY:
1
AN XY:
725982
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33472
American (AMR)
AF:
0.00
AC:
0
AN:
44624
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26128
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39668
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86064
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52092
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5764
European-Non Finnish (NFE)
AF:
9.00e-7
AC:
1
AN:
1111528
Other (OTH)
AF:
0.00
AC:
0
AN:
60344
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
Cov.:
33
ExAC
AF:
0.00000832
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000595

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.68
BayesDel_addAF
Pathogenic
0.31
D
BayesDel_noAF
Pathogenic
0.21
CADD
Benign
23
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.77
D;T;.;.;.;T
Eigen
Uncertain
0.34
Eigen_PC
Uncertain
0.30
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.91
D;D;D;D;D;D
M_CAP
Pathogenic
0.66
D
MetaRNN
Pathogenic
0.82
D;D;D;D;D;D
MetaSVM
Uncertain
0.71
D
MutationAssessor
Uncertain
2.6
M;.;M;.;.;.
PhyloP100
3.8
PrimateAI
Uncertain
0.50
T
PROVEAN
Uncertain
-4.0
D;.;D;D;.;D
REVEL
Pathogenic
0.78
Sift
Benign
0.095
T;.;T;T;.;T
Sift4G
Uncertain
0.033
D;D;D;D;.;D
Polyphen
0.99
D;.;.;.;.;.
Vest4
0.87
MutPred
0.47
Loss of MoRF binding (P = 0.0095);Loss of MoRF binding (P = 0.0095);Loss of MoRF binding (P = 0.0095);.;.;.;
MVP
0.95
MPC
0.52
ClinPred
0.99
D
GERP RS
3.4
Varity_R
0.46
gMVP
0.55
Mutation Taster
=44/56
disease causing

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

Other links and lift over

dbSNP: rs200454015; hg19: chr11-76891450; API