ClinVar Miner

Submissions for variant NM_000249.4(MLH1):c.772T>C (p.Phe258Leu)

dbSNP: rs2125823165
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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 RCV001356875 SCV001552150 uncertain significance Malignant tumor of breast no assertion criteria provided clinical testing The MLH1 p.Phe258Leu variant was not identified in the literature nor was it identified in the dbSNP, ClinVar, COGR, Cosmic, MutDB, UMD-LSDB, Zhejiang University Database, Mismatch Repair Genes Variant Database, Insight Hereditary Tumors database, the 1000 Genomes Project, the NHLBI GO Exome Sequencing Project, the Exome Aggregation Consortium (August 8th 2016), or the Genome Aggregation Database (Feb 27, 2017). The p.Phe258 residue is conserved in mammals but not in more distantly related organisms however four out of five computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) do not suggest a high likelihood of impact to the protein; this information is not predictive enough to rule out pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, HumanSpliceFinder) do not predict a difference in splicing. 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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