1-215766729-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 6P and 2B. PM1PM2PM5BP4_Moderate

The NM_206933.4(USH2A):ā€‹c.10999A>Gā€‹(p.Thr3667Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,456 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T3667P) has been classified as Pathogenic.

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.0000021 ( 0 hom. )

Consequence

USH2A
NM_206933.4 missense

Scores

1
18

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.346
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 Uncertain_significance. Variant got 4 ACMG points.

PM1
In a domain Fibronectin type-III 21 (size 90) in uniprot entity USH2A_HUMAN there are 17 pathogenic changes around while only 3 benign (85%) in NM_206933.4
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr1-215766729-T-G is described in Lovd as [Pathogenic].
BP4
Computational evidence support a benign effect (MetaRNN=0.19635695).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
USH2ANM_206933.4 linkuse as main transcriptc.10999A>G p.Thr3667Ala missense_variant 56/72 ENST00000307340.8 NP_996816.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
USH2AENST00000307340.8 linkuse as main transcriptc.10999A>G p.Thr3667Ala missense_variant 56/721 NM_206933.4 ENSP00000305941 P1O75445-1
USH2AENST00000674083.1 linkuse as main transcriptc.10999A>G p.Thr3667Ala missense_variant 56/73 ENSP00000501296 O75445-3

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000795
AC:
2
AN:
251430
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135882
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000578
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS 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:
0.00000205
AC:
3
AN:
1461456
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727032
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.00e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.0000165
AC:
2

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.061
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.63
CADD
Benign
8.8
DANN
Benign
0.81
DEOGEN2
Benign
0.057
T
Eigen
Benign
-0.84
Eigen_PC
Benign
-0.77
FATHMM_MKL
Benign
0.36
N
LIST_S2
Benign
0.48
T
M_CAP
Pathogenic
0.31
D
MetaRNN
Benign
0.20
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.4
L
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.28
T
PROVEAN
Benign
-1.3
N
REVEL
Benign
0.020
Sift
Benign
0.25
T
Sift4G
Benign
0.46
T
Polyphen
0.0080
B
Vest4
0.18
MutPred
0.40
Loss of loop (P = 0.1242);
MVP
0.80
MPC
0.031
ClinPred
0.036
T
GERP RS
-2.4
Varity_R
0.053
gMVP
0.50

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: rs150822759; hg19: chr1-215940071; API