rs143352618

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBP6

The NM_206933.4(USH2A):​c.9307A>G​(p.Ile3103Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000327 in 1,613,952 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00027 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00033 ( 0 hom. )

Consequence

USH2A
NM_206933.4 missense

Scores

1
18

Clinical Significance

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

Conservation

PhyloP100: 0.755

Publications

5 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 2
    Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
  • Usher syndrome type 2A
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, PanelApp Australia, Labcorp Genetics (formerly Invitae)
  • retinitis pigmentosa 39
    Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • retinitis pigmentosa
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.03641975).
BP6
Variant 1-215838055-T-C is Benign according to our data. Variant chr1-215838055-T-C is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 166464.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
USH2ANM_206933.4 linkc.9307A>G p.Ile3103Val missense_variant Exon 47 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.9307A>G p.Ile3103Val missense_variant Exon 47 of 72 1 NM_206933.4 ENSP00000305941.3 O75445-1
USH2AENST00000674083.1 linkc.9307A>G p.Ile3103Val missense_variant Exon 47 of 73 ENSP00000501296.1 O75445-3

Frequencies

GnomAD3 genomes
AF:
0.000269
AC:
41
AN:
152210
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000573
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000259
AC:
65
AN:
251332
AF XY:
0.000287
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.0000578
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000924
Gnomad NFE exome
AF:
0.000502
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000332
AC:
486
AN:
1461742
Hom.:
0
Cov.:
31
AF XY:
0.000341
AC XY:
248
AN XY:
727176
show subpopulations
African (AFR)
AF:
0.0000896
AC:
3
AN:
33480
American (AMR)
AF:
0.0000447
AC:
2
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.0000383
AC:
1
AN:
26128
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39668
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.000187
AC:
10
AN:
53416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000406
AC:
451
AN:
1111918
Other (OTH)
AF:
0.000315
AC:
19
AN:
60384
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.466
Heterozygous variant carriers
0
27
54
82
109
136
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<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:
0.000269
AC:
41
AN:
152210
Hom.:
0
Cov.:
32
AF XY:
0.000242
AC XY:
18
AN XY:
74366
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41456
American (AMR)
AF:
0.00
AC:
0
AN:
15258
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5200
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4838
European-Finnish (FIN)
AF:
0.0000941
AC:
1
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000573
AC:
39
AN:
68042
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.498
Heterozygous variant carriers
0
3
6
9
12
15
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.000416
Hom.:
0
Bravo
AF:
0.000208
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000698
AC:
6
ExAC
AF:
0.000354
AC:
43
EpiCase
AF:
0.000600
EpiControl
AF:
0.000474

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1Benign:1
Jan 13, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Sep 12, 2024
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

In silico analysis indicates that this missense variant does not alter protein structure/function; This variant is associated with the following publications: (PMID: 27460420) -

Usher syndrome type 2A;C3151138:Retinitis pigmentosa 39 Uncertain:1
Mar 06, 2018
Counsyl
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com. -

not specified Benign:1
Sep 12, 2013
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Ile3103Val in Exon 47 of USH2A: This variant is not expected to have clinical s ignificance because the isoleucine (Ile) residue at position 3103 is not conserv ed through species with mouse lemur, bushbaby, mouse and rat having a valine (Va l). In addition, it has been identified in 0.7% (6/8600) of European American c hromosomes by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/E VS/; dbSNP rs143352618). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.079
BayesDel_addAF
Benign
-0.47
T
BayesDel_noAF
Benign
-0.57
CADD
Benign
5.4
DANN
Benign
0.21
DEOGEN2
Benign
0.037
T
Eigen
Benign
-1.1
Eigen_PC
Benign
-1.0
FATHMM_MKL
Uncertain
0.81
D
LIST_S2
Benign
0.66
T
M_CAP
Benign
0.042
D
MetaRNN
Benign
0.036
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-0.34
N
PhyloP100
0.76
PrimateAI
Benign
0.28
T
PROVEAN
Benign
0.13
N
REVEL
Benign
0.057
Sift
Benign
0.88
T
Sift4G
Benign
0.47
T
Polyphen
0.0
B
Vest4
0.26
MVP
0.30
MPC
0.028
ClinPred
0.018
T
GERP RS
-0.21
Varity_R
0.022
gMVP
0.17
Mutation Taster
=78/22
polymorphism

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: rs143352618; hg19: chr1-216011397; API