chr10-53831493-G-T
Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2
The NM_001384140.1(PCDH15):c.4024C>A(p.Gln1342Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00136 in 1,614,074 control chromosomes in the GnomAD database, including 27 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Consequence
NM_001384140.1 missense
Scores
Clinical Significance
Conservation
Genome browser will be placed here
ACMG classification
Verdict is Benign. Variant got -20 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
PCDH15 | ENST00000320301.11 | c.4024C>A | p.Gln1342Lys | missense_variant | Exon 30 of 33 | 1 | NM_033056.4 | ENSP00000322604.6 | ||
PCDH15 | ENST00000644397.2 | c.4024C>A | p.Gln1342Lys | missense_variant | Exon 30 of 38 | NM_001384140.1 | ENSP00000495195.1 |
Frequencies
GnomAD3 genomes AF: 0.00652 AC: 992AN: 152116Hom.: 8 Cov.: 32
GnomAD3 exomes AF: 0.00180 AC: 453AN: 251420Hom.: 7 AF XY: 0.00129 AC XY: 175AN XY: 135892
GnomAD4 exome AF: 0.000826 AC: 1208AN: 1461840Hom.: 18 Cov.: 32 AF XY: 0.000678 AC XY: 493AN XY: 727228
GnomAD4 genome AF: 0.00653 AC: 994AN: 152234Hom.: 9 Cov.: 32 AF XY: 0.00654 AC XY: 487AN XY: 74442
ClinVar
Submissions by phenotype
not provided Benign:5
PCDH15: BS1, BS2 -
This variant is associated with the following publications: (PMID: 15660226, 20981092, 25262649, 22995991, 30245029) -
- -
- -
- -
not specified Benign:3
- -
Gln1342Lys in exon 32 of PCDH15: This variant has been reported in the literatur e in an individual with Usher Type 1 and was not identified in 100 unaffected co ntrols (Ouyang 2005). However, this individual did not have a second pathogenic variant identified on the other allele. In addition, this variant was identified in our laboratory in an individual who did not have a PCDH15 variant on the oth er allele and the variant did not segregate with hearing loss and retinitis pigm entosa in that family. In addition, this variant is not expected to have clinica l significance because it has been identified in 2.3% (87/3738) of African Ameri can chromosomes in a broad population by the NHLBI Exome sequencing project (htt p://evs.gs.washington.edu/EVS/; rs61731387) -
Variant summary: PCDH15 c.4024C>A (p.Gln1342Lys) results in a conservative amino acid change in the encoded protein sequence. Three of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.0018 in 251420 control chromosomes (gnomAD), predominantly at a frequency of 0.023 within the African or African-American subpopulation in the gnomAD database, including 7 homozygotes. The observed variant frequency within African or African-American control individuals in the gnomAD database is approximately 7 fold of the estimated maximal expected allele frequency for a pathogenic variant in PCDH15 causing Usher Syndrome Type 1F phenotype (0.0032), strongly suggesting that the variant is a benign polymorphism found primarily in populations of African or African-American origin. Five ClinVar submitters have assessed this variant since 2014: three have classified the variant as likely benign and two as benign. Based on the evidence outlined above, the variant was classified as benign. -
Usher syndrome type 1F Benign:2
- -
- -
Usher syndrome type 1D;C1836027:Autosomal recessive nonsyndromic hearing loss 23;C1865885:Usher syndrome type 1F Benign:1
- -
Usher syndrome type 1 Benign:1
This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at