11-2884966-ACCGCGACCGGAGCCGCGACCGGAG-ACCGCGACCGGAGCCGCGACCGGAGCCGCGACCGGAG
Variant summary
Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2
The NM_001122630.2(CDKN1C):c.479_490dupCTCCGGTCGCGG(p.Ala160_Ala163dup) variant causes a conservative inframe insertion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000794 in 982,068 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.00034 ( 0 hom., cov: 26)
Exomes 𝑓: 0.000037 ( 0 hom. )
Consequence
CDKN1C
NM_001122630.2 conservative_inframe_insertion
NM_001122630.2 conservative_inframe_insertion
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: -0.200
Genes affected
CDKN1C (HGNC:1786): (cyclin dependent kinase inhibitor 1C) This gene is imprinted, with preferential expression of the maternal allele. The encoded protein is a tight-binding, strong inhibitor of several G1 cyclin/Cdk complexes and a negative regulator of cell proliferation. Mutations in this gene are implicated in sporadic cancers and Beckwith-Wiedemann syndorome, suggesting that this gene is a tumor suppressor candidate. Three transcript variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Oct 2010]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -16 ACMG points.
BP6
Variant 11-2884966-A-ACCGCGACCGGAG is Benign according to our data. Variant chr11-2884966-A-ACCGCGACCGGAG is described in ClinVar as [Likely_benign]. Clinvar id is 454008.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.000344 (47/136524) while in subpopulation AMR AF= 0.00175 (25/14258). AF 95% confidence interval is 0.00122. There are 0 homozygotes in gnomad4. There are 27 alleles in male gnomad4 subpopulation. Median coverage is 26. This position pass quality control queck.
BS2
High AC in GnomAd4 at 47 AD gene.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.000344 AC: 47AN: 136444Hom.: 0 Cov.: 26
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GnomAD4 exome AF: 0.0000367 AC: 31AN: 845544Hom.: 0 Cov.: 5 AF XY: 0.0000346 AC XY: 14AN XY: 404060
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GnomAD4 genome AF: 0.000344 AC: 47AN: 136524Hom.: 0 Cov.: 26 AF XY: 0.000407 AC XY: 27AN XY: 66388
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ClinVar
Significance: Likely benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Beckwith-Wiedemann syndrome Benign:2
Likely benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 07, 2024 | - - |
Likely benign, criteria provided, single submitter | curation | Sema4, Sema4 | Jan 13, 2021 | - - |
Inborn genetic diseases Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Ambry Genetics | Aug 18, 2022 | 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. - |
CDKN1C-related disorder Benign:1
Likely benign, no assertion criteria provided | clinical testing | PreventionGenetics, part of Exact Sciences | Sep 17, 2024 | This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). - |
not provided Benign:1
Likely benign, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | Mar 01, 2024 | CDKN1C: BS1 - |
Computational scores
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Find out detailed SpliceAI scores and Pangolin per-transcript scores at