ClinVar Miner

Submissions for variant NM_000305.3(PON2):c.884C>T (p.Pro295Leu)

dbSNP: rs771860411
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Department of Pathology and Laboratory Medicine, Sinai Health System RCV001357197 SCV001552584 uncertain significance not provided no assertion criteria provided clinical testing The PON2 p.Pro295Leu variant was not identified in the literature nor was it identified in ClinVar or LOVD 3.0. The variant was identified in dbSNP (ID: rs771860411) and in Cosmic (FATHMM predicted pathogenic; score=0.98). The variant was identified in 6 of 251354 chromosomes at a frequency of 0.000024 (Genome Aggregation Database Feb 27, 2017). The variant was observed in the following populations: European (non-Finnish) in 5 of 113696 chromosomes (freq: 0.000044) and Latino in 1 of 34570 chromosomes (freq: 0.000029); it was not observed in the African, Ashkenazi Jewish, East Asian, European (Finnish), Other and South Asian populations. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer) do not predict a difference in splicing. The p.Pro295 residue is not conserved in mammals however 4 of 5 computational analyses (PolyPhen-2, SIFT, BLOSUM, MutationTaster) suggest that the variant may impact the protein. In summary, based on the above information the clinical significance of this variant cannot be determined with certainty at this time. This variant is classified as a variant of uncertain significance.

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