ClinVar Miner

Submissions for variant NM_007194.4(CHEK2):c.472G>A (p.Ala158Thr)

dbSNP: rs755934632
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000167476 SCV000218333 uncertain significance Hereditary cancer-predisposing syndrome 2014-12-26 criteria provided, single submitter clinical testing The p.A158T variant (also known as c.472G>A), located in coding exon 3 of the CHEK2 gene, results from a G to A substitution at nucleotide position 472. The alanine at codon 158 is replaced by threonine, an amino acid with similar properties. This variant was not reported in population based cohorts in the following databases: Database of Single Nucleotide Polymorphisms (dbSNP), NHLBI Exome Sequencing Project (ESP), and 1000 Genomes Project. In the ESP, this variant was not observed in 6502 samples (13,004 alleles) with coverage at this position. To date, this alteration has been detected with an allele frequency of approximately 0.002% (greater than 46,000 alleles tested) in our clinical cohort. This amino acid position is well conserved in available vertebrate species. In addition, this alteration is predicted to be benign and tolerated by PolyPhen and SIFT in silico analyses, respectively. Since supporting evidence is limited at this time, the clinical significance of p.A158T remains unclear.

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