rs587777532
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Variant summary
Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PVS1_StrongPM2PP5
The NM_001814.6(CTSC):c.1056delT(p.Tyr352fs) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,614,018 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (no stars).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )
Consequence
CTSC
NM_001814.6 frameshift
NM_001814.6 frameshift
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: -0.0140
Genes affected
CTSC (HGNC:2528): (cathepsin C) This gene encodes a member of the peptidase C1 family and lysosomal cysteine proteinase that appears to be a central coordinator for activation of many serine proteinases in cells of the immune system. Alternative splicing results in multiple transcript variants, at least one of which encodes a preproprotein that is proteolytically processed to generate heavy and light chains that form a disulfide-linked dimer. A portion of the propeptide acts as an intramolecular chaperone for the folding and stabilization of the mature enzyme. This enzyme requires chloride ions for activity and can degrade glucagon. Defects in the encoded protein have been shown to be a cause of Papillon-Lefevre syndrome, an autosomal recessive disorder characterized by palmoplantar keratosis and periodontitis. [provided by RefSeq, Nov 2015]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 7 ACMG points.
PVS1
Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most exon, not predicted to undergo nonsense mediated mRNA decay. Fraction of 0.241 CDS is truncated, and there are 3 pathogenic variants in the truncated region.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 11-88294341-CA-C is Pathogenic according to our data. Variant chr11-88294341-CA-C is described in ClinVar as [Pathogenic]. Clinvar id is 139654.Status of the report is no_assertion_criteria_provided, 0 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
CTSC | NM_001814.6 | c.1056delT | p.Tyr352fs | frameshift_variant | 7/7 | ENST00000227266.10 | NP_001805.4 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
CTSC | ENST00000227266.10 | c.1056delT | p.Tyr352fs | frameshift_variant | 7/7 | 1 | NM_001814.6 | ENSP00000227266.4 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152154Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000205 AC: 3AN: 1461864Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1AN XY: 727236
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152154Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74326
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ClinVar
Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link
Submissions by phenotype
Papillon-Lefèvre syndrome Pathogenic:1
Pathogenic, no assertion criteria provided | literature only | OMIM | Dec 01, 2001 | - - |
Computational scores
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at