10-101020668-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_001195263.2(PDZD7):​c.878G>A​(p.Arg293Gln) variant causes a missense change. The variant allele was found at a frequency of 0.0000397 in 1,613,698 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 Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000039 ( 0 hom. )

Consequence

PDZD7
NM_001195263.2 missense

Scores

2
7
10

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:5

Conservation

PhyloP100: 4.56
Variant links:
Genes affected
PDZD7 (HGNC:26257): (PDZ domain containing 7) This gene encodes a ciliary protein homologous to proteins which are mutated in Usher syndrome patients, and mutations and translocations involving this gene have been associated with two types of Usher syndrome. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.41635206).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PDZD7NM_001195263.2 linkc.878G>A p.Arg293Gln missense_variant 7/17 ENST00000619208.6 NP_001182192.1 Q9H5P4-3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PDZD7ENST00000619208.6 linkc.878G>A p.Arg293Gln missense_variant 7/175 NM_001195263.2 ENSP00000480489.1 Q9H5P4-3

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152092
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000438
AC:
11
AN:
251260
Hom.:
0
AF XY:
0.0000368
AC XY:
5
AN XY:
135842
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000653
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000440
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000390
AC:
57
AN:
1461606
Hom.:
0
Cov.:
32
AF XY:
0.0000399
AC XY:
29
AN XY:
727106
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000894
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000414
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152092
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74292
show subpopulations
Gnomad4 AFR
AF:
0.0000483
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000340
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000576
AC:
7
EpiCase
AF:
0.000164
EpiControl
AF:
0.00

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Uncertain:4
Uncertain significance, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Uncertain significance, criteria provided, single submitterclinical testingGeneDxMay 16, 2024In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -
Uncertain significance, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpAug 09, 2022This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 293 of the PDZD7 protein (p.Arg293Gln). This variant is present in population databases (rs368026275, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with PDZD7-related conditions. ClinVar contains an entry for this variant (Variation ID: 198461). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Not Available"; Align-GVGD: "Class C0"). 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. -
Uncertain significance, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Mar 16, 2015- -
Usher syndrome type 2A;C2931213:Usher syndrome type 2C;C4693893:Hearing loss, autosomal recessive 57 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingFulgent Genetics, Fulgent GeneticsOct 31, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.16
T
BayesDel_noAF
Benign
-0.17
CADD
Pathogenic
31
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.20
T;T;.;.;.
Eigen
Uncertain
0.58
Eigen_PC
Uncertain
0.61
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.93
.;D;D;D;D
M_CAP
Benign
0.025
D
MetaRNN
Benign
0.42
T;T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.4
L;L;.;L;.
PrimateAI
Uncertain
0.54
T
PROVEAN
Uncertain
-3.0
.;.;.;D;.
REVEL
Benign
0.17
Sift
Uncertain
0.024
.;.;.;D;.
Sift4G
Uncertain
0.0090
.;D;.;D;.
Polyphen
0.98
D;D;.;.;.
Vest4
0.74, 0.70
MVP
0.55
MPC
0.89
ClinPred
0.39
T
GERP RS
5.7
Varity_R
0.30
gMVP
0.61

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.090
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: rs368026275; hg19: chr10-102780425; COSMIC: COSV64645999; COSMIC: COSV64645999; API