ClinVar Miner

Submissions for variant NM_000077.4(CDKN2A):c.339_340delGCinsCT (p.Pro114Ser) (rs387906410)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000160409 SCV000210942 pathogenic Hereditary cancer-predisposing syndrome 2014-05-15 criteria provided, single submitter clinical testing This variant is denoted c.339_340delGCinsCT at the cDNA level and p.Pro114Ser (P114S) at the protein level. The normal sequence with the bases that are deleted in braces followed by the inserted bases in brackets is: GTCT{delGC}[insCT]CCGT. The c.339_340delGCinsCT mutation in the CDKN2A gene has been reported previously in associationwith familial cutaneous malignant melanoma (Goldstein et al., 2006; Kannengeisser et al., 2007), and functional studies have shown that the resulting mutatnt protein has significantly reduced binding to CDK4 (Kannengeisser et al., 2009). The insertion and deletion result in the synonymous replacement of the normal Leucine codon (CTG) with a different Leucine codon (CTC) at amino acid position 113, and in the replacement of a Proline codon (CCC) with a Serine codon (TCC) at amino acid position 114. The NHLBI ESP Exome Variant Server reports c.339_340delGCinsCT was not observed in approximately 6,400 samples from individuals of European and African American backgrounds, indicating it is not a common benign variant in these populations. Therefore, weinterpret c.339_340delGCinsCT as a disease-causing mutation. The variant is found in CDKN2A panel(s).
OMIM RCV000010031 SCV000030252 risk factor Cutaneous malignant melanoma 2 2007-08-01 no assertion criteria provided literature only

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