rs557551011
Variant summary
Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2
The NM_004360.5(CDH1):c.1308G>A(p.Leu436Leu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000205 in 1,614,190 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Consequence
NM_004360.5 synonymous
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -19 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
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CDH1 | NM_004360.5 | c.1308G>A | p.Leu436Leu | synonymous_variant | Exon 9 of 16 | ENST00000261769.10 | NP_004351.1 | |
CDH1 | NM_001317185.2 | c.-308G>A | 5_prime_UTR_variant | Exon 9 of 16 | NP_001304114.1 | |||
CDH1 | NM_001317186.2 | c.-512G>A | 5_prime_UTR_variant | Exon 9 of 15 | NP_001304115.1 | |||
CDH1 | NM_001317184.2 | c.1137+1220G>A | intron_variant | Intron 8 of 14 | NP_001304113.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.000112 AC: 17AN: 152212Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.000302 AC: 76AN: 251480Hom.: 2 AF XY: 0.000471 AC XY: 64AN XY: 135914
GnomAD4 exome AF: 0.000215 AC: 315AN: 1461860Hom.: 6 Cov.: 32 AF XY: 0.000327 AC XY: 238AN XY: 727240
GnomAD4 genome AF: 0.000105 AC: 16AN: 152330Hom.: 0 Cov.: 32 AF XY: 0.000148 AC XY: 11AN XY: 74492
ClinVar
Submissions by phenotype
Hereditary diffuse gastric adenocarcinoma Benign:5
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This variant is considered benign. This variant is a silent/synonymous amino acid change and it is not expected to impact splicing. -
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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. -
not provided Benign:4
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CDH1: BP4, BP7, BS1 -
not specified Benign:3
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The CDH1 p.Leu436= variant was not identified in the literature nor was it identified in the Cosmic or MutDB databases. The variant was identified in dbSNP (ID: rs557551011) as “With other allele” and ClinVar (classified benign by Invitae, Color, ARUP and Quest Diagnostics Nichols Institute San Juan Capistrano; and as likely benign by Ambry Genetics, Illumina and Counsyl). The variant was identified in control databases in 75 (2 homozygous) of 246250 chromosomes at a frequency of 0.0003, increasing the likelihood this could be a low frequency benign variant (Genome Aggregation Database Feb 27, 2017). The variant was observed in the following populations: Other in 1 of 5486 chromosomes (freq: 0.0002), Latino in 2 of 33582 chromosomes (freq: 0.00006), European Non-Finnish in 1 of 111698 chromosomes (freq: 0.000009), and South Asian in 71 (2 homozygous) of 30782 chromosomes (freq: 0.002), while it was not observed in the African, Ashkenazi Jewish, East Asian or European Finnish populations. The p.Leu436= variant is not expected to have clinical significance because it does not result in a change of amino acid and is not located in a known consensus splice site. In addition, in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer) do not predict a difference in splicing. In summary, based on the above information, this variant meets our laboratory's criteria to be classified as benign. -
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Hereditary cancer-predisposing syndrome Benign:3
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. -
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Breast and/or ovarian cancer Benign:1
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Malignant tumor of prostate Benign:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at