ClinVar Miner

Submissions for variant NM_001370658.1(BTD):c.377C>G (p.Pro126Arg)

gnomAD frequency: 0.00003  dbSNP: rs371116229
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Fulgent Genetics, Fulgent Genetics RCV002476631 SCV002777473 uncertain significance Biotinidase deficiency 2021-08-16 criteria provided, single submitter clinical testing
Department of Pathology and Laboratory Medicine, Sinai Health System RCV001356279 SCV001551401 uncertain significance not provided no assertion criteria provided clinical testing The BTD p.Pro146Arg variant was not identified in the literature nor was it identified in ClinVar or LOVD 3.0. The variant was identified in dbSNP (ID: rs371116229) and was identified in control databases in 8 of 282734 chromosomes at a frequency of 0.0000283 (Genome Aggregation Database March 6, 2019, v2.1.1). The variant was observed in the European (non-Finnish) population in 8 of 129110 chromosomes (freq: 0.000062), but was not observed in the African, Latino, Ashkenazi Jewish, East Asian, European (Finnish), Other, or South Asian populations. The p.Pro146 residue is not conserved in mammals and computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) provide inconsistent predictions regarding the impact to the protein; this information is not very predictive of pathogenicity. 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. 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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