rs41303255

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM1BP4_StrongBP6BS2_Supporting

The NM_206933.4(USH2A):​c.4586A>T​(p.Lys1529Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000344 in 1,613,738 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. K1529N) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0017 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00020 ( 2 hom. )

Consequence

USH2A
NM_206933.4 missense

Scores

3
15

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:6B:8

Conservation

PhyloP100: 0.00900

Publications

4 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM1
In a hotspot region, there are 3 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 9 uncertain in NM_206933.4
BP4
Computational evidence support a benign effect (MetaRNN=0.007950932).
BP6
Variant 1-216175293-T-A is Benign according to our data. Variant chr1-216175293-T-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 48520.
BS2
High Homozygotes in GnomAdExome4 at 2 AD,AR geneVariant has number of homozygotes lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

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.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
USH2A
NM_206933.4
MANE Select
c.4586A>Tp.Lys1529Ile
missense
Exon 21 of 72NP_996816.3O75445-1
USH2A
NM_007123.6
c.4586A>Tp.Lys1529Ile
missense
Exon 21 of 21NP_009054.6

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
USH2A
ENST00000307340.8
TSL:1 MANE Select
c.4586A>Tp.Lys1529Ile
missense
Exon 21 of 72ENSP00000305941.3O75445-1
USH2A
ENST00000366942.3
TSL:1
c.4586A>Tp.Lys1529Ile
missense
Exon 21 of 21ENSP00000355909.3O75445-2
USH2A
ENST00000674083.1
c.4586A>Tp.Lys1529Ile
missense
Exon 21 of 73ENSP00000501296.1O75445-3

Frequencies

GnomAD3 genomes
AF:
0.00174
AC:
265
AN:
152164
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00596
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000983
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:
0.00
Gnomad OTH
AF:
0.00143
GnomAD2 exomes
AF:
0.000455
AC:
114
AN:
250490
AF XY:
0.000355
show subpopulations
Gnomad AFR exome
AF:
0.00665
Gnomad AMR exome
AF:
0.000174
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000198
AC:
289
AN:
1461456
Hom.:
2
Cov.:
31
AF XY:
0.000177
AC XY:
129
AN XY:
727024
show subpopulations
African (AFR)
AF:
0.00699
AC:
234
AN:
33468
American (AMR)
AF:
0.000246
AC:
11
AN:
44688
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26122
East Asian (EAS)
AF:
0.0000253
AC:
1
AN:
39596
South Asian (SAS)
AF:
0.0000232
AC:
2
AN:
86254
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53380
Middle Eastern (MID)
AF:
0.000694
AC:
4
AN:
5764
European-Non Finnish (NFE)
AF:
0.00000450
AC:
5
AN:
1111828
Other (OTH)
AF:
0.000530
AC:
32
AN:
60356
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
18
35
53
70
88
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
10
20
30
40
50
<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:
0.00175
AC:
266
AN:
152282
Hom.:
1
Cov.:
32
AF XY:
0.00157
AC XY:
117
AN XY:
74452
show subpopulations
African (AFR)
AF:
0.00597
AC:
248
AN:
41574
American (AMR)
AF:
0.000981
AC:
15
AN:
15286
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4818
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10618
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68016
Other (OTH)
AF:
0.00142
AC:
3
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
16
32
48
64
80
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
4
8
12
16
20
<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:
0.000491
Hom.:
0
Bravo
AF:
0.00218
ESP6500AA
AF:
0.00681
AC:
30
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000560
AC:
68

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
3
3
not provided (6)
-
-
3
not specified (3)
-
1
2
Usher syndrome type 2A (3)
-
1
-
Retinal dystrophy (1)
-
1
-
Retinitis pigmentosa (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.19
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.24
CADD
Benign
16
DANN
Uncertain
0.99
DEOGEN2
Benign
0.27
T
Eigen
Benign
-0.44
Eigen_PC
Benign
-0.51
FATHMM_MKL
Benign
0.35
N
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.074
D
MetaRNN
Benign
0.0080
T
MetaSVM
Benign
-0.75
T
MutationAssessor
Benign
1.9
L
PhyloP100
0.0090
PrimateAI
Benign
0.28
T
PROVEAN
Uncertain
-3.3
D
REVEL
Benign
0.24
Sift
Benign
0.046
D
Sift4G
Uncertain
0.0030
D
Polyphen
0.66
P
Vest4
0.39
MVP
0.95
MPC
0.081
ClinPred
0.077
T
GERP RS
-0.63
Varity_R
0.16
gMVP
0.51
Mutation Taster
=58/42
polymorphism

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

Other links and lift over

dbSNP: rs41303255; hg19: chr1-216348635; API