rs121908449

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PP3_StrongPP5_Moderate

The NM_003835.4(RGS9):​c.895T>C​(p.Trp299Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000267 in 1,613,802 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★).

Frequency

Genomes: 𝑓 0.00018 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00028 ( 0 hom. )

Consequence

RGS9
NM_003835.4 missense

Scores

12
4
3

Clinical Significance

Pathogenic criteria provided, single submitter P:4O:1

Conservation

PhyloP100: 7.81

Publications

11 publications found
Variant links:
Genes affected
RGS9 (HGNC:10004): (regulator of G protein signaling 9) This gene encodes a member of the RGS family of GTPase activating proteins that function in various signaling pathways by accelerating the deactivation of G proteins. This protein is anchored to photoreceptor membranes in retinal cells and deactivates G proteins in the rod and cone phototransduction cascades. Mutations in this gene result in bradyopsia. Multiple transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Sep 2009]
RGS9 Gene-Disease associations (from GenCC):
  • prolonged electroretinal response suppression 1
    Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
  • bradyopsia
    Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, ClinGen, Labcorp Genetics (formerly Invitae), PanelApp Australia

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.974
PP5
Variant 17-65197160-T-C is Pathogenic according to our data. Variant chr17-65197160-T-C is described in ClinVar as Pathogenic. ClinVar VariationId is 5862.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
RGS9NM_003835.4 linkc.895T>C p.Trp299Arg missense_variant Exon 13 of 19 ENST00000262406.10 NP_003826.2 O75916-1A8K1G1
RGS9NM_001081955.3 linkc.886T>C p.Trp296Arg missense_variant Exon 13 of 19 NP_001075424.1 O75916-5
RGS9NM_001165933.2 linkc.886T>C p.Trp296Arg missense_variant Exon 13 of 17 NP_001159405.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
RGS9ENST00000262406.10 linkc.895T>C p.Trp299Arg missense_variant Exon 13 of 19 1 NM_003835.4 ENSP00000262406.9 O75916-1

Frequencies

GnomAD3 genomes
AF:
0.000184
AC:
28
AN:
152200
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000966
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000353
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000120
AC:
30
AN:
249106
AF XY:
0.000104
show subpopulations
Gnomad AFR exome
AF:
0.0000647
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000256
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000276
AC:
403
AN:
1461602
Hom.:
0
Cov.:
31
AF XY:
0.000256
AC XY:
186
AN XY:
727074
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33474
American (AMR)
AF:
0.00
AC:
0
AN:
44710
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39692
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86180
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53412
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000352
AC:
391
AN:
1111846
Other (OTH)
AF:
0.000166
AC:
10
AN:
60386
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.464
Heterozygous variant carriers
0
19
39
58
78
97
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:
0.000184
AC:
28
AN:
152200
Hom.:
0
Cov.:
32
AF XY:
0.000175
AC XY:
13
AN XY:
74360
show subpopulations
African (AFR)
AF:
0.0000966
AC:
4
AN:
41428
American (AMR)
AF:
0.00
AC:
0
AN:
15276
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5204
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000353
AC:
24
AN:
68048
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.489
Heterozygous variant carriers
0
2
4
5
7
9
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:
0.000329
Hom.:
0
Bravo
AF:
0.000174
TwinsUK
AF:
0.00135
AC:
5
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.000259
AC:
1
ESP6500EA
AF:
0.000362
AC:
3
ExAC
AF:
0.000124
AC:
15
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:4Other:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Pathogenic:3
-
Clinical Genetics, Academic Medical Center
Significance:Likely pathogenic
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance:Likely pathogenic
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Oct 27, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces tryptophan, which is neutral and slightly polar, with arginine, which is basic and polar, at codon 299 of the RGS9 protein (p.Trp299Arg). This variant is present in population databases (rs121908449, gnomAD 0.02%). This missense change has been observed in individuals with bradyopsia and/or cone dysfunction (PMID: 14702087, 17826834, 19818506). It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 5862). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is not expected to disrupt RGS9 protein function with a negative predictive value of 80%. Experimental studies have shown that this missense change affects RGS9 function (PMID: 14702087). For these reasons, this variant has been classified as Pathogenic. -

Leber congenital amaurosis Pathogenic:1
Apr 01, 2018
Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:research

- -

Bradyopsia Other:1
Jan 01, 2004
OMIM
Significance:drug response
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
1.0
BayesDel_addAF
Uncertain
0.012
T
BayesDel_noAF
Pathogenic
0.20
CADD
Pathogenic
29
DANN
Uncertain
0.97
DEOGEN2
Uncertain
0.50
D;.;.;D
Eigen
Pathogenic
0.94
Eigen_PC
Pathogenic
0.84
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Benign
0.85
D;D;D;D
M_CAP
Benign
0.083
D
MetaRNN
Pathogenic
0.97
D;D;D;D
MetaSVM
Uncertain
0.053
D
MutationAssessor
Pathogenic
4.2
.;.;.;H
PhyloP100
7.8
PrimateAI
Pathogenic
0.87
D
PROVEAN
Pathogenic
-13
.;.;D;D
REVEL
Pathogenic
0.73
Sift
Pathogenic
0.0
.;.;D;D
Sift4G
Pathogenic
0.0010
.;D;D;D
Polyphen
1.0
.;.;D;D
Vest4
0.99, 0.99, 0.96
MutPred
0.95
Gain of methylation at W299 (P = 0.0335);.;.;Gain of methylation at W299 (P = 0.0335);
MVP
0.87
MPC
1.0
ClinPred
1.0
D
GERP RS
5.3
Varity_R
0.95
gMVP
0.92
Mutation Taster
=1/99
disease causing (ClinVar)

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: rs121908449; hg19: chr17-63193278; API