chr11-77204105-T-A

Position:

chr11-77204105-T-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 4P and 2B. PM1PM2BP4BP6

The NM_000260.4(MYO7A):c.5356T>A(p.Ser1786Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000799 in 1,601,522 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000077 ( 1 hom. )

Consequence

MYO7A
NM_000260.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:3

Conservation

PhyloP100: 7.57

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 links:

MYO7A (HGNC:):

MYO7A links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM1

In a domain MyTH4 2 (size 149) in uniprot entity MYO7A_HUMAN there are 15 pathogenic changes around while only 5 benign (75%) in NM_000260.4

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.27296865).

BP6

Variant 11-77204105-T-A is Benign according to our data. Variant chr11-77204105-T-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 178491.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=3, Uncertain_significance=2}. Variant chr11-77204105-T-A is described in Lovd as [Likely_benign].

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
MYO7A	NM_000260.4 linkuse as main transcript	c.5356T>A	p.Ser1786Thr	missense_variant	39/49	ENST00000409709.9	NP_000251.3	Q13402-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
MYO7A	ENST00000409709.9 linkuse as main transcript	c.5356T>A	p.Ser1786Thr	missense_variant	39/49	1	NM_000260.4	ENSP00000386331.3	Q13402-1
MYO7A	ENST00000458637.6 linkuse as main transcript	c.5242T>A	p.Ser1748Thr	missense_variant	39/49	1		ENSP00000392185.2	Q13402-2
MYO7A	ENST00000409619.6 linkuse as main transcript	c.5209T>A	p.Ser1737Thr	missense_variant	40/50	1		ENSP00000386635.2	Q13402-8
MYO7A	ENST00000458169.2 linkuse as main transcript	c.2782T>A	p.Ser928Thr	missense_variant	19/29	1		ENSP00000417017.2	H7C4D8
MYO7A	ENST00000670577.1 linkuse as main transcript	n.3182T>A		non_coding_transcript_exon_variant	22/32			ENSP00000499323.1	A0A590UJ94

Frequencies

GnomAD3 genomes

AF:

0.000105

AC:

AN:

152118

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

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:

0.000132

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000746

AC:

AN:

227954

Hom.:

AF XY:

0.0000974

AC XY:

AN XY:

123220

show subpopulations

Gnomad AFR exome

AF:

0.0000753

Gnomad AMR exome

AF:

0.000123

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:

0.0000976

Gnomad OTH exome

AF:

0.000351

GnomAD4 exome

AF:

0.0000766

AC:

111

AN:

1449286

Hom.:

Cov.:

AF XY:

0.0000959

AC XY:

AN XY:

719674

show subpopulations

Gnomad4 AFR exome

AF:

0.000514

Gnomad4 AMR exome

AF:

0.000116

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000240

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000606

Gnomad4 OTH exome

AF:

0.000133

GnomAD4 genome

AF:

0.000112

AC:

AN:

152236

Hom.:

Cov.:

AF XY:

0.0000940

AC XY:

AN XY:

74444

show subpopulations

Gnomad4 AFR

AF:

0.000144

Gnomad4 AMR

AF:

0.000131

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000132

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000135

Hom.:

Bravo

AF:

0.0000945

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000119

AC:

ExAC

AF:

0.0000992

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:3

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:1Benign:2

Uncertain significance, criteria provided, single submitter	clinical testing	CeGaT Center for Human Genetics Tuebingen	Oct 01, 2022	MYO7A: PM2, PP3 -
Likely benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jan 02, 2024	- -
Likely benign, criteria provided, single submitter	not provided	Breakthrough Genomics, Breakthrough Genomics	-	- -

Inborn genetic diseases

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Apr 20, 2023

The c.5356T>A (p.S1786T) alteration is located in exon 39 (coding exon 38) of the MYO7A gene. This alteration results from a T to A substitution at nucleotide position 5356, causing the serine (S) at amino acid position 1786 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

not specified

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Apr 13, 2017

p.Ser1786Thr in exon 39 of MYO7A: This variant is not expected to have clinical significance because it was identified by our laboratory in several unaffected i ndividuals from one Saudi Arabian family who were homozygous for the variant or compound heterozygous with another pathogenic variant in MYO7A. This variant has also been identified in 12/116102 of European chromosomes by the Genome Aggrega tion Database (gnomAD, http://gnomad.broadinstitute.org; dbSNP rs374576916). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.21

BayesDel_addAF

Benign

-0.096

BayesDel_noAF

Benign

-0.14

CADD

Benign

DANN

Benign

0.97

DEOGEN2

Uncertain

0.43

T;.;.;T

Eigen

Benign

-0.0099

Eigen_PC

Benign

0.092

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.91

D;D;D;D

M_CAP

Uncertain

0.28

MetaRNN

Benign

0.27

T;T;T;T

MetaSVM

Uncertain

-0.17

MutationAssessor

Uncertain

2.0

M;.;.;.

PrimateAI

Uncertain

0.70

PROVEAN

Uncertain

-2.4

N;N;N;N

REVEL

Uncertain

0.37

Sift

Benign

0.18

T;T;T;T

Sift4G

Benign

0.14

T;T;T;T

Polyphen

0.0020

B;.;.;.

Vest4

0.68

MVP

0.91

MPC

0.10

ClinPred

0.066

GERP RS

3.6

Varity_R

0.49

gMVP

0.51

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.030

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over