ClinVar Miner

Submissions for variant NM_000284.4(PDHA1):c.746T>G (p.Ile249Ser)

dbSNP: rs1064793225
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000486536 SCV000565366 likely pathogenic not provided 2013-05-17 criteria provided, single submitter clinical testing A novel I249S missense change that is likely pathogenic was identified in the PDHA1 gene. It has not been published as a pathogenic variant, nor has it been reported as a benign polymorphism to our knowledge. The amino acid change is non-conservative as a non-polar Isoleucine residue is replaced by a polar Serine residue. This change occurs at a highly conserved position in the PDHA1 protein, and missense variants at nearby positions (Y243C, Y243S, R245G, P250L, P250T, R253G) have been reported in association with pyruvate dehydrogenase deficiency according to the Human Gene Mutation Database. Furthermore, multiple in-silico analysis programs predict that I249S is damaging to the PDHA1 protein. Therefore, I249S is a strong candidate for a pathogenic variant, however the possibility that it is a benign variant cannot be excluded.

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