rs886038281

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_001034853.2(RPGR):​c.1245+6A>G variant causes a splice donor region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000579 in 1,208,885 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 2 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000045 ( 0 hom., 0 hem., cov: 23)
Exomes 𝑓: 0.0000018 ( 0 hom. 2 hem. )

Consequence

RPGR
NM_001034853.2 splice_donor_region, intron

Scores

2
Splicing: ADA: 0.00003889
2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: -0.629
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.95).
BP6
Variant X-38298950-T-C is Benign according to our data. Variant chrX-38298950-T-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 255831.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.
BS2
High Hemizygotes in GnomAdExome4 at 2 XL gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RPGRNM_001034853.2 linkuse as main transcriptc.1245+6A>G splice_donor_region_variant, intron_variant ENST00000645032.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RPGRENST00000645032.1 linkuse as main transcriptc.1245+6A>G splice_donor_region_variant, intron_variant NM_001034853.2 A2Q92834-6

Frequencies

GnomAD3 genomes
AF:
0.0000447
AC:
5
AN:
111967
Hom.:
0
Cov.:
23
AF XY:
0.00
AC XY:
0
AN XY:
34119
show subpopulations
Gnomad AFR
AF:
0.000130
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000950
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:
0.00
GnomAD4 exome
AF:
0.00000182
AC:
2
AN:
1096918
Hom.:
0
Cov.:
30
AF XY:
0.00000552
AC XY:
2
AN XY:
362314
show subpopulations
Gnomad4 AFR exome
AF:
0.0000379
Gnomad4 AMR exome
AF:
0.0000284
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000447
AC:
5
AN:
111967
Hom.:
0
Cov.:
23
AF XY:
0.00
AC XY:
0
AN XY:
34119
show subpopulations
Gnomad4 AFR
AF:
0.000130
Gnomad4 AMR
AF:
0.0000950
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000453

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Primary ciliary dyskinesia Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 01, 2024This sequence change falls in intron 10 of the RPGR gene. It does not directly change the encoded amino acid sequence of the RPGR protein. It affects a nucleotide within the consensus splice site. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with RPGR-related conditions. ClinVar contains an entry for this variant (Variation ID: 255831). Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant is not likely to affect RNA splicing. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.95
CADD
Benign
0.029
DANN
Benign
0.47

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000039
dbscSNV1_RF
Benign
0.048
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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs886038281; hg19: chrX-38158203; API