ClinVar Miner

Submissions for variant NC_000005.10:g.(?_7883145)_(7892923_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001033354 SCV001196661 likely pathogenic Methylcobalamin deficiency type cblE 2021-08-12 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exon(s) 6-11 of the MTRR gene. This variant would be expected to be in-frame, preserving the integrity of the reading frame. This variant has not been reported in the literature in individuals affected with MTRR-related conditions. Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. This variant disrupts the p.Ser454 amino acid residue in MTRR. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 12971424, 22887477, 25978498). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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