ClinVar Miner

Submissions for variant NM_001370658.1(BTD):c.1292_1293del (p.Gly431fs)

dbSNP: rs1553654142
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Counsyl RCV000674623 SCV000799992 likely pathogenic Biotinidase deficiency 2018-05-16 criteria provided, single submitter clinical testing
Invitae RCV000674623 SCV003525046 pathogenic Biotinidase deficiency 2023-10-07 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Gly451Aspfs*32) in the BTD gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 93 amino acid(s) of the BTD protein. This variant is not present in population databases (gnomAD no frequency). This premature translational stop signal has been observed in individual(s) with biotinidase deficiency (PMID: 26810761). ClinVar contains an entry for this variant (Variation ID: 558367). This variant disrupts a region of the BTD protein in which other variant(s) (p.Asp543Glu) have been determined to be pathogenic (PMID: 25174816, 25967232, 28498829). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic.
Baylor Genetics RCV000674623 SCV004211448 pathogenic Biotinidase deficiency 2023-07-08 criteria provided, single submitter clinical testing

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