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chr14-21294657-A-T

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 2P and 10B. PM2BP4_StrongBP6_ModerateBS1

The NM_020366.4(RPGRIP1):​c.86-20A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000112 in 1,611,218 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★). There are indicators that this mutation may affect the branch point..

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 30)
Exomes 𝑓: 0.00011 ( 0 hom. )

Consequence

RPGRIP1
NM_020366.4 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.158
Variant links:
Genes affected
RPGRIP1 (HGNC:13436): (RPGR interacting protein 1) This gene encodes a photoreceptor protein that interacts with retinitis pigmentosa GTPase regulator protein and is a key component of cone and rod photoreceptor cells. Mutations in this gene lead to autosomal recessive congenital blindness. [provided by RefSeq, Oct 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
This place is a probable branch point but rather VUS (scored 4 / 10). Computational evidence support a benign effect (BayesDel_noAF=-0.88).
BP6
Variant 14-21294657-A-T is Benign according to our data. Variant chr14-21294657-A-T is described in ClinVar as [Benign]. Clinvar id is 1166242.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000125 (19/152176) while in subpopulation EAS AF= 0.00347 (18/5186). AF 95% confidence interval is 0.00224. There are 0 homozygotes in gnomad4. There are 7 alleles in male gnomad4 subpopulation. Median coverage is 30. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RPGRIP1NM_020366.4 linkuse as main transcriptc.86-20A>T intron_variant ENST00000400017.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RPGRIP1ENST00000400017.7 linkuse as main transcriptc.86-20A>T intron_variant 1 NM_020366.4 P2Q96KN7-1
RPGRIP1ENST00000556336.5 linkuse as main transcriptc.86-20A>T intron_variant 5
RPGRIP1ENST00000557771.5 linkuse as main transcriptc.86-20A>T intron_variant 5 A2

Frequencies

GnomAD3 genomes
AF:
0.000125
AC:
19
AN:
152058
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00346
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000270
AC:
67
AN:
247792
Hom.:
0
AF XY:
0.000238
AC XY:
32
AN XY:
134438
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00375
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:
0.000110
AC:
161
AN:
1459042
Hom.:
0
Cov.:
31
AF XY:
0.000110
AC XY:
80
AN XY:
725864
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000226
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00369
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000540
Gnomad4 OTH exome
AF:
0.000133
GnomAD4 genome
AF:
0.000125
AC:
19
AN:
152176
Hom.:
0
Cov.:
30
AF XY:
0.0000941
AC XY:
7
AN XY:
74414
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00347
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.000110
Asia WGS
AF:
0.00115
AC:
4
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Leber congenital amaurosis 6;C2750720:Cone-rod dystrophy 13 Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJul 10, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.88
CADD
Benign
1.4
DANN
Benign
0.69
BranchPoint Hunter
4.0

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: rs372867069; hg19: chr14-21762816; API