rs150960964

Variant names:

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BA1BP4

This summary comes from the ClinGen Evidence Repository: NM_001034853.2(RPGR):c.3407G>A (p.Gly1136Asp) variant is a missense variant encoding the substitution of glycine with aspartic acid at amino acid 1136. The computational predictor REVEL gives a score of 0.053, which is below the ClinGen X-linked IRD VCEP threshold of <0.183 and predicts a non-damaging effect on RPGR function. Additionally, the splicing impact predictor SpliceAI gives a delta score of 0.00, which is below the ClinGen X-linked IRD VCEP recommended threshold of <0.1 and does not strongly predict an impact on splicing (BP4_moderate). This variant is present in gnomAD v.4.1.0 at a frequency of 0.0008861 among hemizygous individuals, with 352 variant alleles / 397,264 total alleles, which is higher than the ClinGen X-linked IRD VCEP BA1 threshold of >0.00005 (BA1). This variant has been reported in at least 1 male proband and 2 females. The male proband had insufficient reported details and did not meet the PS4 requirement of some functional vision impairment in an affected male by age 30 years, or decreased/absent cone and/or rod electroretinogram responses (PMID:32679846), so PS4_supporting was not met. In summary, this variant is classified as benign for RPGR-related retinopathy based on the ClinGen X-linked Inherited Retinal Disease Expert Panel Specifications to the ACMG/AMP Variant Interpretation Guidelines for RPGR Version 1.0.0; BA1 and BP4_moderate. (date of approval 05/16/2025). LINK:https://erepo.genome.network/evrepo/ui/classification/CA10385145/MONDO:0100437/106

Frequency

Genomes: 𝑓 0.0061 ( 5 hom., 179 hem., cov: 22)

Exomes 𝑓: 0.00067 ( 2 hom. 173 hem. )

Consequence

RPGR
NM_001034853.2 missense

Scores

Clinical Significance

Benign reviewed by expert panel B:5

Conservation

PhyloP100: 0.516

Publications

2 publications found

Variant links:

Genes affected

RPGR (HGNC:10295): (retinitis pigmentosa GTPase regulator) This gene encodes a protein with a series of six RCC1-like domains (RLDs), characteristic of the highly conserved guanine nucleotide exchange factors. The encoded protein is found in the Golgi body and interacts with RPGRIP1. This protein localizes to the outer segment of rod photoreceptors and is essential for their viability. Mutations in this gene have been associated with X-linked retinitis pigmentosa (XLRP). Multiple alternatively spliced transcript variants that encode different isoforms of this gene have been reported, but the full-length natures of only some have been determined. [provided by RefSeq, Dec 2008]

RPGR Gene-Disease associations (from GenCC):

retinitis pigmentosa 3
Inheritance: XL Classification: DEFINITIVE, STRONG Submitted by: G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae)
RPGR-related retinopathy
Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
primary ciliary dyskinesia-retinitis pigmentosa syndrome
Inheritance: XL Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)
cone-rod dystrophy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
primary ciliary dyskinesia
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
retinitis pigmentosa
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
macular degeneration, X-linked atrophic
Inheritance: XL Classification: LIMITED Submitted by: G2P

RPGR links:

ENSG00000250349 (HGNC:):

ENSG00000250349 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

For more information check the summary or visit ClinGen Evidence Repository.

BA1

For more information check the summary or visit ClinGen Evidence Repository.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RPGR	NM_001034853.2 link	c.3407G>A	p.Gly1136Asp	missense_variant	Exon 15 of 15	ENST00000645032.1	NP_001030025.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RPGR	ENST00000645032.1 link	c.3407G>A	p.Gly1136Asp	missense_variant	Exon 15 of 15		NM_001034853.2	ENSP00000495537.1
ENSG00000250349	ENST00000465127.1 link	c.172-380529C>T		intron_variant	Intron 3 of 8	5		ENSP00000417050.1

Frequencies

GnomAD3 genomes

AF:

0.00607

AC:

677

AN:

111517

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0208

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00228

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:

0.000113

Gnomad OTH

AF:

0.00602

GnomAD2 exomes

AF:

0.00176

AC:

322

AN:

183285

AF XY:

0.00118

show subpopulations

Gnomad AFR exome

AF:

0.0209

Gnomad AMR exome

AF:

0.00124

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000856

Gnomad OTH exome

AF:

0.00133

GnomAD4 exome

AF:

0.000668

AC:

734

AN:

1098115

Hom.:

Cov.:

AF XY:

0.000476

AC XY:

173

AN XY:

363495

show subpopulations

African (AFR)

AF:

0.0214

AC:

565

AN:

26399

American (AMR)

AF:

0.00128

AC:

AN:

35199

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19383

East Asian (EAS)

AF:

0.00

AC:

AN:

30204

South Asian (SAS)

AF:

0.0000554

AC:

AN:

54145

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40492

Middle Eastern (MID)

AF:

0.000967

AC:

AN:

4137

European-Non Finnish (NFE)

AF:

0.0000523

AC:

AN:

842063

Other (OTH)

AF:

0.00158

AC:

AN:

46093

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.484

Heterozygous variant carriers

107

142

178

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

110

<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:

0.00607

AC:

677

AN:

111565

Hom.:

Cov.:

AF XY:

0.00530

AC XY:

179

AN XY:

33769

show subpopulations

African (AFR)

AF:

0.0208

AC:

638

AN:

30720

American (AMR)

AF:

0.00228

AC:

AN:

10530

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2647

East Asian (EAS)

AF:

0.00

AC:

AN:

3554

South Asian (SAS)

AF:

0.00

AC:

AN:

2652

European-Finnish (FIN)

AF:

0.00

AC:

AN:

5947

Middle Eastern (MID)

AF:

0.00

AC:

AN:

217

European-Non Finnish (NFE)

AF:

0.000113

AC:

AN:

53104

Other (OTH)

AF:

0.00595

AC:

AN:

1513

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.506

Heterozygous variant carriers

108

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<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:

0.00217

Hom.:

Bravo

AF:

0.00695

ESP6500AA

AF:

0.0217

AC:

ESP6500EA

AF:

0.000149

AC:

ExAC

AF:

0.00193

AC:

234

EpiCase

AF:

0.000109

EpiControl

AF:

0.000237

ClinVar

Significance: Benign

Submissions summary: Benign:5

Revision: reviewed by expert panel

LINK: link

Submissions by phenotype

not provided

Benign:3

May 04, 2017

Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Nov 06, 2019

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Breakthrough Genomics, Breakthrough Genomics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Primary ciliary dyskinesia

Benign:1

Feb 02, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

RPGR-related retinopathy

Benign:1

May 20, 2025

ClinGen X-linked Inherited Retinal Disease Variant Curation Expert Panel, ClinGen

Significance:Benign

Review Status:reviewed by expert panel

Collection Method:curation

NM_001034853.2(RPGR):c.3407G>A (p.Gly1136Asp) variant is a missense variant encoding the substitution of glycine with aspartic acid at amino acid 1136. The computational predictor REVEL gives a score of 0.053, which is below the ClinGen X-linked IRD VCEP threshold of <0.183 and predicts a non-damaging effect on RPGR function. Additionally, the splicing impact predictor SpliceAI gives a delta score of 0.00, which is below the ClinGen X-linked IRD VCEP recommended threshold of <0.1 and does not strongly predict an impact on splicing (BP4_moderate). This variant is present in gnomAD v.4.1.0 at a frequency of 0.0008861 among hemizygous individuals, with 352 variant alleles / 397,264 total alleles, which is higher than the ClinGen X-linked IRD VCEP BA1 threshold of >0.00005 (BA1). This variant has been reported in at least 1 male proband and 2 females. The male proband had insufficient reported details and did not meet the PS4 requirement of some functional vision impairment in an affected male by age 30 years, or decreased/absent cone and/or rod electroretinogram responses (PMID: 32679846), so PS4_supporting was not met. In summary, this variant is classified as benign for RPGR-related retinopathy based on the ClinGen X-linked Inherited Retinal Disease Expert Panel Specifications to the ACMG/AMP Variant Interpretation Guidelines for RPGR Version 1.0.0; BA1 and BP4_moderate. (date of approval 05/16/2025). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.85

BayesDel_noAF

Benign

-0.97

CADD

Benign

9.4

(source)

DANN

Benign

0.84

FATHMM_MKL

Benign

0.065

LIST_S2

Benign

0.29

.;T

MetaRNN

Benign

0.0040

T;T

MetaSVM

Benign

-0.97

PhyloP100

0.52

PrimateAI

Benign

0.33

PROVEAN

Benign

-0.67

.;N

REVEL

Benign

0.053

Sift4G

Benign

0.69

.;T

Vest4

0.23

MVP

0.20

MPC

1.0

ClinPred

0.0069

GERP RS

-0.72

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

gMVP

0.083

Mutation Taster

=99/1

polymorphism (auto)

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over