rs147900972

Variant names:

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_206933.4(USH2A):c.11404G>A(p.Glu3802Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00175 in 1,596,618 control chromosomes in the GnomAD database, including 8 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 Likely benign (★★). The gene USH2A is included in the ClinGen Criteria Specification Registry.

Frequency

Genomes: 𝑓 0.0016 ( 1 hom., cov: 26)

Exomes 𝑓: 0.0018 ( 7 hom. )

Consequence

USH2A
NM_206933.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:10

Conservation

PhyloP100: -0.694

Publications

3 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

Specifications for USH2A are available in the ClinGen Criteria Specification Registry and recommended for reference when assigning criteria.

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0034196079).

BP6

Variant 1-215743321-C-T is Benign according to our data. Variant chr1-215743321-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 48374.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS2

High Homozygotes in GnomAdExome4 at 7 Unknown,AR,AD 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.11404G>A	p.Glu3802Lys	missense	Exon 59 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.11404G>A	p.Glu3802Lys	missense	Exon 59 of 72	ENSP00000305941.3	O75445-1
	USH2A	ENST00000674083.1		c.11404G>A	p.Glu3802Lys	missense	Exon 59 of 73	ENSP00000501296.1	O75445-3

Frequencies

GnomAD3 genomes

AF:

0.00162

AC:

234

AN:

144234

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000257

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00129

Gnomad ASJ

AF:

0.000292

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00836

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00193

Gnomad OTH

AF:

0.00103

GnomAD2 exomes

AF:

0.00249

AC:

621

AN:

249888

AF XY:

0.00246

show subpopulations

Gnomad AFR exome

AF:

0.000309

Gnomad AMR exome

AF:

0.000439

Gnomad ASJ exome

AF:

0.000298

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0130

Gnomad NFE exome

AF:

0.00258

Gnomad OTH exome

AF:

0.00330

GnomAD4 exome

AF:

0.00177

AC:

2567

AN:

1452288

Hom.:

Cov.:

AF XY:

0.00182

AC XY:

1318

AN XY:

722656

show subpopulations

African (AFR)

AF:

0.0000901

AC:

AN:

33294

American (AMR)

AF:

0.000384

AC:

AN:

44302

Ashkenazi Jewish (ASJ)

AF:

0.000232

AC:

AN:

25834

East Asian (EAS)

AF:

0.00

AC:

AN:

38998

South Asian (SAS)

AF:

0.000256

AC:

AN:

86034

European-Finnish (FIN)

AF:

0.0120

AC:

627

AN:

52118

Middle Eastern (MID)

AF:

0.000524

AC:

AN:

5728

European-Non Finnish (NFE)

AF:

0.00162

AC:

1797

AN:

1106170

Other (OTH)

AF:

0.00154

AC:

AN:

59810

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.405

Heterozygous variant carriers

186

279

372

465

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

138

184

230

<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:

0.00162

AC:

234

AN:

144330

Hom.:

Cov.:

AF XY:

0.00189

AC XY:

132

AN XY:

69886

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.000256

AC:

AN:

39038

American (AMR)

AF:

0.00129

AC:

AN:

13940

Ashkenazi Jewish (ASJ)

AF:

0.000292

AC:

AN:

3426

East Asian (EAS)

AF:

0.00

AC:

AN:

4890

South Asian (SAS)

AF:

0.00

AC:

AN:

4544

European-Finnish (FIN)

AF:

0.00836

AC:

AN:

8976

Middle Eastern (MID)

AF:

0.00

AC:

AN:

280

European-Non Finnish (NFE)

AF:

0.00193

AC:

128

AN:

66378

Other (OTH)

AF:

0.00102

AC:

AN:

1964

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.383

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.00212

Hom.:

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.00104

AC:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00209

AC:

ExAC

AF:

0.00252

AC:

306

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (4)

not specified (4)

Retinitis pigmentosa 39 (1)

Usher syndrome type 2A (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.063

BayesDel_addAF

Benign

-0.64

BayesDel_noAF

Benign

-0.70

CADD

Benign

0.13

(source)

DANN

Benign

0.31

DEOGEN2

Benign

0.026

Eigen

Benign

-2.5

Eigen_PC

Benign

-2.5

FATHMM_MKL

Benign

0.0023

LIST_S2

Benign

0.15

MetaRNN

Benign

0.0034

MetaSVM

Benign

-0.93

MutationAssessor

Benign

-1.2

PhyloP100

-0.69

PrimateAI

Benign

0.21

PROVEAN

Benign

0.10

REVEL

Benign

0.16

Sift

Benign

1.0

Sift4G

Benign

1.0

Polyphen

0.0

Vest4

0.041

MVP

0.67

MPC

0.032

ClinPred

0.0036

GERP RS

-9.9

Varity_R

0.052

gMVP

0.31

Mutation Taster

=99/1

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

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