rs786201212
Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2
This summary comes from the ClinGen Evidence Repository: The CDH1 c.4G>A (p.Gly2Ser) missense variant has a frequency of 0.00002 (2 of 128,626) in gnomAD, with a maximum allele frequency of 0.00008 (2 of 24,378) in the Latino subpopulation (http://gnomad.broadinstitute.org). This variant has been observed in ≥10 individuals without DGC, SRC tumours or LBC and whose families do not suggest HDGC (BS2; unpublished). In summary, the clinical significance of this variant is classified as likely benign based on BS2 alone. ACMG/AMP criteria applied, as specified by the CDH1 Variant Curation Expert Panel (Variant Interpretation Guidelines Version 3.1): BS2. LINK:https://erepo.genome.network/evrepo/ui/classification/CA187442/MONDO:0007648/007
Frequency
Consequence
NM_004360.5 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -4 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
CDH1 | NM_004360.5 | c.4G>A | p.Gly2Ser | missense_variant | Exon 1 of 16 | ENST00000261769.10 | NP_004351.1 | |
CDH1 | NM_001317184.2 | c.4G>A | p.Gly2Ser | missense_variant | Exon 1 of 15 | NP_001304113.1 | ||
CDH1 | NM_001317185.2 | c.-1612G>A | 5_prime_UTR_variant | Exon 1 of 16 | NP_001304114.1 | |||
CDH1 | NM_001317186.2 | c.-1816G>A | 5_prime_UTR_variant | Exon 1 of 15 | NP_001304115.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
CDH1 | ENST00000261769.10 | c.4G>A | p.Gly2Ser | missense_variant | Exon 1 of 16 | 1 | NM_004360.5 | ENSP00000261769.4 | ||
CDH1 | ENST00000422392.6 | c.4G>A | p.Gly2Ser | missense_variant | Exon 1 of 15 | 1 | ENSP00000414946.2 | |||
CDH1 | ENST00000566612.5 | n.4G>A | non_coding_transcript_exon_variant | Exon 1 of 15 | 1 | ENSP00000454782.1 | ||||
CDH1 | ENST00000566510.5 | n.4G>A | non_coding_transcript_exon_variant | Exon 1 of 15 | 5 | ENSP00000458139.1 |
Frequencies
GnomAD3 genomes Cov.: 33
GnomAD3 exomes AF: 0.0000155 AC: 2AN: 128626Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 70804
GnomAD4 exome AF: 0.00000217 AC: 3AN: 1381422Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0AN XY: 681938
GnomAD4 genome Cov.: 33
ClinVar
Submissions by phenotype
not provided Uncertain:2
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Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 15235021) -
Hereditary cancer-predisposing syndrome Uncertain:1Benign:1
This alteration is classified as likely 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. -
This missense variant replaces glycine with serine at codon 2 of the CDH1 protein. To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has been identified in 2/128626 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. -
Hereditary diffuse gastric adenocarcinoma Uncertain:1
This sequence change replaces glycine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 2 of the CDH1 protein (p.Gly2Ser). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with CDH1-related conditions. ClinVar contains an entry for this variant (Variation ID: 183998). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. 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. -
CDH1-related diffuse gastric and lobular breast cancer syndrome Benign:1
The CDH1 c.4G>A (p.Gly2Ser) missense variant has a frequency of 0.00002 (2 of 128,626) in gnomAD, with a maximum allele frequency of 0.00008 (2 of 24,378) in the Latino subpopulation (http://gnomad.broadinstitute.org). This variant has been observed in at least 10 individuals without DGC, SRC tumours or LBC and whose families do not suggest HDGC (BS2; unpublished). In summary, the clinical significance of this variant is classified as likely benign based on BS2 alone. ACMG/AMP criteria applied, as specified by the CDH1 Variant Curation Expert Panel (Variant Interpretation Guidelines Version 3.1): BS2. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at