ClinVar Miner

Submissions for variant NM_000136.3(FANCC):c.1546_1547delinsTT (p.Ala516Phe) (rs1554827162)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000523904 SCV000618480 uncertain significance not specified 2017-05-15 criteria provided, single submitter clinical testing This variant is denoted FANCC c.1546_1547delGCinsTT at the cDNA level, p.Ala516Phe (A516F) at the protein level. The surrounding sequence is CACT[delGC][insTT]TGAG. This in frame deletion and insertion occurs on the same allele (in cis) and results in the missense change of an Alanine to a Phenylalanine (GCT>TTT). This variant has not, to our knowledge, been published in the literature as pathogenic or benign. Neither FANCC c.1546_1547delGCinsTT nor FANCC Ala516Phe were observed in large population cohorts (NHLBI Exome Sequencing Project, The 1000 Genomes Consortium 2015, Lek 2016). Since Alanine and Phenylalanine differ in some properties, this is considered a semi-conservative amino acid substitution. FANCC Ala516Phe occurs at a position that is not conserved and is located in the cdc2 binding domain (Gordon & Buchwald 2000). In silico analyses predict that this variant is unlikely to alter protein structure or function. Based on currently available evidence, it is unclear whether FANCC Ala516Phe is a pathogenic or benign variant. We consider it to be a variant of uncertain significance.
Ambry Genetics RCV000563212 SCV000673350 uncertain significance Hereditary cancer-predisposing syndrome 2017-07-13 criteria provided, single submitter clinical testing Lines of evidence used in support of classification: Insufficient evidence

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