rs397516634

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2

The NM_001195263.2(PDZD7):​c.2319_2336delTAGCCGCAGCCGTAGCCG​(p.Ser774_Arg779del) variant causes a disruptive inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00995 in 1,524,830 control chromosomes in the GnomAD database, including 120 homozygotes. Variant has been reported in ClinVar as Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. R773R) has been classified as Benign.

Frequency

Genomes: 𝑓 0.0067 ( 5 hom., cov: 28)
Exomes 𝑓: 0.010 ( 115 hom. )

Consequence

PDZD7
NM_001195263.2 disruptive_inframe_deletion

Scores

Not classified

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 2.36
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP6
Variant 10-101010552-GCGGCTACGGCTGCGGCTA-G is Benign according to our data. Variant chr10-101010552-GCGGCTACGGCTGCGGCTA-G is described in ClinVar as [Likely_benign]. Clinvar id is 44125.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr10-101010552-GCGGCTACGGCTGCGGCTA-G is described in Lovd as [Likely_benign]. Variant chr10-101010552-GCGGCTACGGCTGCGGCTA-G is described in Lovd as [Likely_pathogenic].
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.00673 (1021/151680) while in subpopulation NFE AF= 0.011 (746/67720). AF 95% confidence interval is 0.0104. There are 5 homozygotes in gnomad4. There are 477 alleles in male gnomad4 subpopulation. Median coverage is 28. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 5 AR,Digenic gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PDZD7NM_001195263.2 linkuse as main transcriptc.2319_2336delTAGCCGCAGCCGTAGCCG p.Ser774_Arg779del disruptive_inframe_deletion 15/17 ENST00000619208.6 NP_001182192.1 Q9H5P4-3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PDZD7ENST00000619208.6 linkuse as main transcriptc.2319_2336delTAGCCGCAGCCGTAGCCG p.Ser774_Arg779del disruptive_inframe_deletion 15/175 NM_001195263.2 ENSP00000480489.1 Q9H5P4-3
PDZD7ENST00000474125.7 linkuse as main transcriptn.*2266_*2283delTAGCCGCAGCCGTAGCCG non_coding_transcript_exon_variant 11/132 ENSP00000474447.1 S4R3J9
PDZD7ENST00000474125.7 linkuse as main transcriptn.*2266_*2283delTAGCCGCAGCCGTAGCCG 3_prime_UTR_variant 11/132 ENSP00000474447.1 S4R3J9

Frequencies

GnomAD3 genomes
AF:
0.00674
AC:
1021
AN:
151560
Hom.:
5
Cov.:
28
show subpopulations
Gnomad AFR
AF:
0.00201
Gnomad AMI
AF:
0.00220
Gnomad AMR
AF:
0.00807
Gnomad ASJ
AF:
0.00231
Gnomad EAS
AF:
0.00116
Gnomad SAS
AF:
0.00418
Gnomad FIN
AF:
0.000757
Gnomad MID
AF:
0.0222
Gnomad NFE
AF:
0.0110
Gnomad OTH
AF:
0.00866
GnomAD3 exomes
AF:
0.00624
AC:
818
AN:
130986
Hom.:
9
AF XY:
0.00621
AC XY:
442
AN XY:
71130
show subpopulations
Gnomad AFR exome
AF:
0.000779
Gnomad AMR exome
AF:
0.00404
Gnomad ASJ exome
AF:
0.00521
Gnomad EAS exome
AF:
0.000381
Gnomad SAS exome
AF:
0.00325
Gnomad FIN exome
AF:
0.00118
Gnomad NFE exome
AF:
0.0109
Gnomad OTH exome
AF:
0.00863
GnomAD4 exome
AF:
0.0103
AC:
14150
AN:
1373150
Hom.:
115
AF XY:
0.0101
AC XY:
6813
AN XY:
676036
show subpopulations
Gnomad4 AFR exome
AF:
0.00166
Gnomad4 AMR exome
AF:
0.00446
Gnomad4 ASJ exome
AF:
0.00567
Gnomad4 EAS exome
AF:
0.000169
Gnomad4 SAS exome
AF:
0.00393
Gnomad4 FIN exome
AF:
0.00154
Gnomad4 NFE exome
AF:
0.0119
Gnomad4 OTH exome
AF:
0.00943
GnomAD4 genome
AF:
0.00673
AC:
1021
AN:
151680
Hom.:
5
Cov.:
28
AF XY:
0.00643
AC XY:
477
AN XY:
74142
show subpopulations
Gnomad4 AFR
AF:
0.00200
Gnomad4 AMR
AF:
0.00806
Gnomad4 ASJ
AF:
0.00231
Gnomad4 EAS
AF:
0.00116
Gnomad4 SAS
AF:
0.00418
Gnomad4 FIN
AF:
0.000757
Gnomad4 NFE
AF:
0.0110
Gnomad4 OTH
AF:
0.00857
Alfa
AF:
0.00527
Hom.:
0
Bravo
AF:
0.00709
Asia WGS
AF:
0.00116
AC:
4
AN:
3472

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:4
Benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJul 01, 2024PDZD7: BS1, BS2 -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 29, 2024- -
Benign, criteria provided, single submitterclinical testingGeneDxSep 13, 2019This variant is associated with the following publications: (PMID: 27068579) -
Likely benign, criteria provided, single submitterclinical testingAthena DiagnosticsNov 26, 2018- -
not specified Benign:2
Likely benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineMar 09, 2013The Arg779_Ser784del variant in PDZD7 has not been reported in the literature no r previously identified by our laboratory.The frequency of this variant in large European American and African American populations sequenced by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/EVS/) was not reported becaus e coverage at this position was insufficient or unavailable. This in-frame delet ion lies in a variable Arg-Ser repeat region that is not conserved in species in cluding other primates. Furthermore, there is inconclusive evidence as to the ro le of the PDZD7 gene in hearing loss with only one case report suggesting PDZD7 could cause nonsyndromic hearing loss based upon a patient with a homozygous tra nslocation that disrupts the long alternate isoform of PDZD7 (Schneider 2009). I n summary, this variant is likely benign based on its presence in a variable rep eat region, lack of conservation across species, and limited evidence supporting a role of PDZD7 in hearing loss. -
Likely benign, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Feb 20, 2015- -
PDZD7-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesNov 30, 2020This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

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: rs397516634; hg19: chr10-102770309; API