chrX-38323400-G-A

Variant names:

Variant summary

Our verdict is Benign. The variant received -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_001034853.2(RPGR):c.153C>T(p.Thr51Thr) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000412 in 1,201,767 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 151 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00030 ( 0 hom., 6 hem., cov: 23)

Exomes 𝑓: 0.00042 ( 0 hom. 145 hem. )

Consequence

RPGR
NM_001034853.2 splice_region, synonymous

Scores

Splicing: ADA: 0.0003513

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 2.59

Publications

0 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 -17 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.48).

BP6

Variant X-38323400-G-A is Benign according to our data. Variant chrX-38323400-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 414014.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=2.59 with no splicing effect.

BS2

High AC in GnomAd4 at 34 XL,AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RPGR	NM_001034853.2 link	c.153C>T	p.Thr51Thr	splice_region_variant, synonymous_variant	Exon 2 of 15	ENST00000645032.1	NP_001030025.1	Q92834-6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RPGR	ENST00000645032.1 link	c.153C>T	p.Thr51Thr	splice_region_variant, synonymous_variant	Exon 2 of 15		NM_001034853.2	ENSP00000495537.1		Q92834-6
ENSG00000250349	ENST00000465127.1 link	c.172-342721G>A		intron_variant	Intron 3 of 8	5		ENSP00000417050.1		B4E171

Frequencies

GnomAD3 genomes

AF:

0.000305

AC:

AN:

111645

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000326

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:

0.000621

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000385

AC:

AN:

176706

AF XY:

0.000388

show subpopulations

Gnomad AFR exome

AF:

0.0000779

Gnomad AMR exome

AF:

0.0000370

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000849

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000423

AC:

461

AN:

1090122

Hom.:

Cov.:

AF XY:

0.000407

AC XY:

145

AN XY:

356190

show subpopulations

African (AFR)

AF:

0.000114

AC:

AN:

26265

American (AMR)

AF:

0.0000571

AC:

AN:

35037

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19287

East Asian (EAS)

AF:

0.00

AC:

AN:

30051

South Asian (SAS)

AF:

0.00

AC:

AN:

53599

European-Finnish (FIN)

AF:

0.0000247

AC:

AN:

40406

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4106

European-Non Finnish (NFE)

AF:

0.000528

AC:

441

AN:

835548

Other (OTH)

AF:

0.000306

AC:

AN:

45823

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.469

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

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:

0.000305

AC:

AN:

111645

Hom.:

Cov.:

AF XY:

0.000177

AC XY:

AN XY:

33873

show subpopulations

African (AFR)

AF:

0.0000326

AC:

AN:

30689

American (AMR)

AF:

0.00

AC:

AN:

10530

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2646

East Asian (EAS)

AF:

0.00

AC:

AN:

3598

South Asian (SAS)

AF:

0.00

AC:

AN:

2712

European-Finnish (FIN)

AF:

0.00

AC:

AN:

5956

Middle Eastern (MID)

AF:

0.00

AC:

AN:

236

European-Non Finnish (NFE)

AF:

0.000621

AC:

AN:

53099

Other (OTH)

AF:

0.00

AC:

AN:

1499

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.539

Heterozygous variant carriers

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:

0.000480

Hom.:

Bravo

AF:

0.000397

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:1

Feb 16, 2025

Laboratory of Genetics, Children's Clinical University Hospital Latvia

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

RPGR-related disorder

Benign:1

Aug 28, 2019

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Primary ciliary dyskinesia

Benign:1

Aug 01, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not provided

Benign:1

Mar 01, 2023

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

RPGR: BP4, BP7, BS2 -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.48

CADD

Benign

4.9

(source)

DANN

Benign

0.72

PhyloP100

2.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=70/30

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00035

dbscSNV1_RF

Benign

0.054

SpliceAI score (max)

0.010

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