rs148556640

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_206933.4(USH2A):c.12608A>G(p.Gln4203Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00203 in 1,614,126 control chromosomes in the GnomAD database, including 55 homozygotes. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0026 ( 9 hom., cov: 32)

Exomes 𝑓: 0.0020 ( 46 hom. )

Consequence

USH2A
NM_206933.4 missense

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:9

Conservation

PhyloP100: -0.100

Publications

13 publications found

Variant links:

Genes affected

USH2A (HGNC:12601): (usherin) This gene encodes a protein that contains laminin EGF motifs, a pentaxin domain, and many fibronectin type III motifs. The protein is found in the basement membrane, and may be important in development and homeostasis of the inner ear and retina. Mutations within this gene have been associated with Usher syndrome type IIa and retinitis pigmentosa. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2008]

USH2A Gene-Disease associations (from GenCC):

Usher syndrome type 2A
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
Usher syndrome type 2
Inheritance: Unknown, AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
retinitis pigmentosa 39
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
retinitis pigmentosa
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

USH2A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0027201176).

BP6

Variant 1-215675303-T-C is Benign according to our data. Variant chr1-215675303-T-C is described in ClinVar as Benign. ClinVar VariationId is 48402.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population eas. GnomAdExome4 allele frequency = 0.00198 (2889/1461774) while in subpopulation EAS AF = 0.0298 (1184/39696). AF 95% confidence interval is 0.0284. There are 46 homozygotes in GnomAdExome4. There are 1408 alleles in the male GnomAdExome4 subpopulation. Median coverage is 37. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 9 AD,AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_206933.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	USH2A	NM_206933.4	MANE Select	c.12608A>G	p.Gln4203Arg	missense	Exon 63 of 72	NP_996816.3	O75445-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	USH2A	ENST00000307340.8	TSL:1 MANE Select	c.12608A>G	p.Gln4203Arg	missense	Exon 63 of 72	ENSP00000305941.3	O75445-1
	USH2A	ENST00000674083.1		c.12608A>G	p.Gln4203Arg	missense	Exon 63 of 73	ENSP00000501296.1	O75445-3

Frequencies

GnomAD3 genomes

AF:

0.00256

AC:

390

AN:

152234

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.0115

Gnomad SAS

AF:

0.000621

Gnomad FIN

AF:

0.0259

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.000691

Gnomad OTH

AF:

0.000957

GnomAD2 exomes

AF:

0.00349

AC:

870

AN:

249220

AF XY:

0.00331

show subpopulations

Gnomad AFR exome

AF:

0.0000621

Gnomad AMR exome

AF:

0.000203

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00937

Gnomad FIN exome

AF:

0.0249

Gnomad NFE exome

AF:

0.000911

Gnomad OTH exome

AF:

0.00295

GnomAD4 exome

AF:

0.00198

AC:

2889

AN:

1461774

Hom.:

Cov.:

AF XY:

0.00194

AC XY:

1408

AN XY:

727176

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.000246

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0298

AC:

1184

AN:

39696

South Asian (SAS)

AF:

0.00103

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.0222

AC:

1186

AN:

53320

Middle Eastern (MID)

AF:

0.000520

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000292

AC:

325

AN:

1112002

Other (OTH)

AF:

0.00151

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

202

403

605

806

1008

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

104

130

<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

AF:

0.00256

AC:

390

AN:

152352

Hom.:

Cov.:

AF XY:

0.00384

AC XY:

286

AN XY:

74506

show subpopulations

African (AFR)

AF:

0.0000481

AC:

AN:

41584

American (AMR)

AF:

0.00

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.0116

AC:

AN:

5188

South Asian (SAS)

AF:

0.000621

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.0259

AC:

275

AN:

10626

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000691

AC:

AN:

68026

Other (OTH)

AF:

0.000947

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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

Alfa

AF:

0.00113

Hom.:

Bravo

AF:

0.000468

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000581

AC:

ExAC

AF:

0.00352

AC:

427

Asia WGS

AF:

0.00635

AC:

AN:

3478

EpiCase

AF:

0.000273

EpiControl

AF:

0.000237

ClinVar

ClinVar submissions

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (4)

not specified (2)

Retinal dystrophy (1)

Retinitis pigmentosa 39 (1)

Usher syndrome type 2A (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.070

BayesDel_addAF

Benign

-0.53

BayesDel_noAF

Benign

-0.52

CADD

Benign

3.5

(source)

DANN

Benign

0.70

DEOGEN2

Benign

0.023

Eigen

Benign

-0.93

Eigen_PC

Benign

-0.89

FATHMM_MKL

Benign

0.023

LIST_S2

Benign

0.48

MetaRNN

Benign

0.0027

MetaSVM

Benign

-0.89

MutationAssessor

Benign

0.51

PhyloP100

-0.10

PrimateAI

Benign

0.21

PROVEAN

Benign

-0.030

REVEL

Benign

0.043

Sift

Benign

0.63

Sift4G

Benign

0.53

Polyphen

0.0020

Vest4

0.029

MVP

0.81

MPC

0.032

ClinPred

0.0077

GERP RS

-0.25

Varity_R

0.048

gMVP

0.45

Mutation Taster

=99/1

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over