rs114402911

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_206933.4(USH2A):​c.6240G>T​(p.Lys2080Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00703 in 1,613,826 control chromosomes in the GnomAD database, including 61 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another nucleotide change resulting in the same amino acid substitution has been previously reported as Likely benign in ClinVar.

Frequency

Genomes: 𝑓 0.0073 ( 9 hom., cov: 32)
Exomes 𝑓: 0.0070 ( 52 hom. )

Consequence

USH2A
NM_206933.4 missense

Scores

2
16

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts U:1B:15

Conservation

PhyloP100: 0.412
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.008006275).
BP6
Variant 1-216046516-C-A is Benign according to our data. Variant chr1-216046516-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 48555.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr1-216046516-C-A is described in Lovd as [Likely_benign]. Variant chr1-216046516-C-A is described in Lovd as [Benign]. Variant chr1-216046516-C-A is described in Lovd as [Pathogenic].
BS2
High Homozygotes in GnomAd4 at 9 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
USH2ANM_206933.4 linkc.6240G>T p.Lys2080Asn missense_variant Exon 32 of 72 ENST00000307340.8 NP_996816.3 O75445-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
USH2AENST00000307340.8 linkc.6240G>T p.Lys2080Asn missense_variant Exon 32 of 72 1 NM_206933.4 ENSP00000305941.3 O75445-1
USH2AENST00000674083.1 linkc.6240G>T p.Lys2080Asn missense_variant Exon 32 of 73 ENSP00000501296.1 O75445-3

Frequencies

GnomAD3 genomes
AF:
0.00730
AC:
1111
AN:
152098
Hom.:
9
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00952
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00956
Gnomad ASJ
AF:
0.00750
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.00179
Gnomad MID
AF:
0.0253
Gnomad NFE
AF:
0.00734
Gnomad OTH
AF:
0.00813
GnomAD3 exomes
AF:
0.00556
AC:
1396
AN:
251140
Hom.:
11
AF XY:
0.00520
AC XY:
705
AN XY:
135706
show subpopulations
Gnomad AFR exome
AF:
0.0102
Gnomad AMR exome
AF:
0.00509
Gnomad ASJ exome
AF:
0.00655
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000523
Gnomad FIN exome
AF:
0.00203
Gnomad NFE exome
AF:
0.00780
Gnomad OTH exome
AF:
0.00702
GnomAD4 exome
AF:
0.00700
AC:
10236
AN:
1461610
Hom.:
52
Cov.:
34
AF XY:
0.00680
AC XY:
4946
AN XY:
727110
show subpopulations
Gnomad4 AFR exome
AF:
0.00974
Gnomad4 AMR exome
AF:
0.00479
Gnomad4 ASJ exome
AF:
0.00742
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000881
Gnomad4 FIN exome
AF:
0.00198
Gnomad4 NFE exome
AF:
0.00798
Gnomad4 OTH exome
AF:
0.00674
GnomAD4 genome
AF:
0.00730
AC:
1111
AN:
152216
Hom.:
9
Cov.:
32
AF XY:
0.00708
AC XY:
527
AN XY:
74428
show subpopulations
Gnomad4 AFR
AF:
0.00949
Gnomad4 AMR
AF:
0.00955
Gnomad4 ASJ
AF:
0.00750
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000415
Gnomad4 FIN
AF:
0.00179
Gnomad4 NFE
AF:
0.00734
Gnomad4 OTH
AF:
0.00805
Alfa
AF:
0.00726
Hom.:
6
Bravo
AF:
0.00775
TwinsUK
AF:
0.00728
AC:
27
ALSPAC
AF:
0.00934
AC:
36
ESP6500AA
AF:
0.0113
AC:
50
ESP6500EA
AF:
0.00930
AC:
80
ExAC
AF:
0.00592
AC:
719
Asia WGS
AF:
0.000866
AC:
3
AN:
3478
EpiCase
AF:
0.00834
EpiControl
AF:
0.00771

ClinVar

Significance: Benign/Likely benign
Submissions summary: Uncertain:1Benign:15
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:6
Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Dec 20, 2018
GeneDx
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant is associated with the following publications: (PMID: 25412400, 18273898) -

Sep 21, 2023
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: not provided

- -

-
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance: Likely benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Mar 01, 2025
CeGaT Center for Human Genetics Tuebingen
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

USH2A: BP4, BS2 -

not specified Benign:5
-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

-
Clinical Genetics, Academic Medical Center
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Mar 08, 2022
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Variant summary: USH2A c.6240G>T (p.Lys2080Asn) results in a non-conservative amino acid change in the encoded protein sequence. Three of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.0056 in 251140 control chromosomes, predominantly at a frequency of 0.01 within the African or African-American subpopulation in the gnomAD database, including 3 homozygotes. This frequency is almost close to that estimated for a pathogenic variant in USH2A causing Usher Syndrome (0.0056 vs 0.011), supporting a benign outcome. To our knowledge, no penetrant association of c.6240G>T in individuals affected with Usher Syndrome and no experimental evidence demonstrating its impact on protein function have been reported. Seven clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation and a predominant consensus as benign/likely benign. Based on the evidence outlined above, the variant was classified as benign. -

Jan 05, 2017
Eurofins Ntd Llc (ga)
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

May 14, 2012
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Lys2080Asn in Exon 32 of USH2A: This variant is not expected to have clinical si gnificance because it has been identified in 1.1% (41/3738) of African American chromosomes from a broad population by the NHLBI Exome Sequencing Project (http: //evs.gs.washington.edu/EVS; dbSNP rs114402911). As expected, this variant has b een reported in equal frequencies in cases and controls (Booij 2010, Clark 2010, Dreyer 2008, McGee 2010). -

Usher syndrome type 2A Benign:3
Nov 04, 2023
Genome-Nilou Lab
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Sep 16, 2020
Natera, Inc.
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

May 28, 2019
Mendelics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Retinitis pigmentosa Uncertain:1
Jan 01, 2015
NIHR Bioresource Rare Diseases, University of Cambridge
Significance: Uncertain significance
Review Status: no assertion criteria provided
Collection Method: research

- -

Retinitis pigmentosa 39 Benign:1
Nov 04, 2023
Genome-Nilou Lab
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.22
BayesDel_addAF
Benign
-0.60
T
BayesDel_noAF
Benign
-0.62
CADD
Benign
13
DANN
Uncertain
0.99
DEOGEN2
Benign
0.067
T
Eigen
Benign
-0.21
Eigen_PC
Benign
-0.21
FATHMM_MKL
Benign
0.69
D
LIST_S2
Benign
0.63
T
MetaRNN
Benign
0.0080
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.8
L
PrimateAI
Benign
0.27
T
PROVEAN
Benign
-1.6
N
REVEL
Benign
0.11
Sift
Benign
0.041
D
Sift4G
Uncertain
0.013
D
Polyphen
0.88
P
Vest4
0.087
MutPred
0.47
Loss of methylation at K2080 (P = 3e-04);
MVP
0.87
MPC
0.046
ClinPred
0.025
T
GERP RS
0.71
Varity_R
0.12
gMVP
0.42

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

LitVar

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

Other links and lift over

dbSNP: rs114402911; hg19: chr1-216219858; API