rs62637628
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Variant summary
Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2
The NM_000264.5(PTCH1):c.1854C>T(p.Cys618=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00158 in 1,614,110 control chromosomes in the GnomAD database, including 34 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.0084 ( 12 hom., cov: 32)
Exomes 𝑓: 0.00087 ( 22 hom. )
Consequence
PTCH1
NM_000264.5 synonymous
NM_000264.5 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.624
Genes affected
PTCH1 (HGNC:9585): (patched 1) This gene encodes a member of the patched family of proteins and a component of the hedgehog signaling pathway. Hedgehog signaling is important in embryonic development and tumorigenesis. The encoded protein is the receptor for the secreted hedgehog ligands, which include sonic hedgehog, indian hedgehog and desert hedgehog. Following binding by one of the hedgehog ligands, the encoded protein is trafficked away from the primary cilium, relieving inhibition of the G-protein-coupled receptor smoothened, which results in activation of downstream signaling. Mutations of this gene have been associated with basal cell nevus syndrome and holoprosencephaly. [provided by RefSeq, Aug 2017]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -21 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.54).
BP6
Variant 9-95469147-G-A is Benign according to our data. Variant chr9-95469147-G-A is described in ClinVar as [Benign]. Clinvar id is 221098.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr9-95469147-G-A is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=0.624 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00841 (1281/152310) while in subpopulation AFR AF= 0.0293 (1217/41548). AF 95% confidence interval is 0.0279. There are 12 homozygotes in gnomad4. There are 619 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 1281 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
PTCH1 | NM_000264.5 | c.1854C>T | p.Cys618= | synonymous_variant | 14/24 | ENST00000331920.11 | NP_000255.2 | |
PTCH1 | NM_001083603.3 | c.1851C>T | p.Cys617= | synonymous_variant | 14/24 | ENST00000437951.6 | NP_001077072.1 | |
LOC100507346 | NR_038982.1 | n.1085G>A | non_coding_transcript_exon_variant | 4/4 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
PTCH1 | ENST00000331920.11 | c.1854C>T | p.Cys618= | synonymous_variant | 14/24 | 5 | NM_000264.5 | ENSP00000332353 | A2 | |
PTCH1 | ENST00000437951.6 | c.1851C>T | p.Cys617= | synonymous_variant | 14/24 | 5 | NM_001083603.3 | ENSP00000389744 |
Frequencies
GnomAD3 genomes AF: 0.00838 AC: 1275AN: 152192Hom.: 12 Cov.: 32
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GnomAD3 exomes AF: 0.00221 AC: 555AN: 251156Hom.: 11 AF XY: 0.00155 AC XY: 210AN XY: 135762
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GnomAD4 exome AF: 0.000869 AC: 1271AN: 1461800Hom.: 22 Cov.: 33 AF XY: 0.000705 AC XY: 513AN XY: 727188
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GnomAD4 genome AF: 0.00841 AC: 1281AN: 152310Hom.: 12 Cov.: 32 AF XY: 0.00831 AC XY: 619AN XY: 74488
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ClinVar
Significance: Benign
Submissions summary: Benign:10
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:3
Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
Benign, criteria provided, single submitter | clinical testing | Quest Diagnostics Nichols Institute San Juan Capistrano | Jul 16, 2021 | - - |
Benign, criteria provided, single submitter | clinical testing | Women's Health and Genetics/Laboratory Corporation of America, LabCorp | Apr 22, 2023 | - - |
Gorlin syndrome Benign:3
Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 31, 2024 | - - |
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Benign, criteria provided, single submitter | clinical testing | KCCC/NGS Laboratory, Kuwait Cancer Control Center | Jul 07, 2023 | - - |
not provided Benign:2
Benign, criteria provided, single submitter | clinical testing | GeneDx | Mar 03, 2015 | - - |
Benign, criteria provided, single submitter | not provided | Breakthrough Genomics, Breakthrough Genomics | - | - - |
Hereditary cancer-predisposing syndrome Benign:1
Benign, criteria provided, single submitter | clinical testing | Ambry Genetics | Jan 29, 2018 | This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. - |
Holoprosencephaly 7 Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Computational scores
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Name
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at