ClinVar Miner

Submissions for variant NM_000254.3(MTR):c.3008-4A>G

dbSNP: rs1224783275
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001244091 SCV001417289 likely pathogenic Methylcobalamin deficiency type cblG 2023-12-04 criteria provided, single submitter clinical testing This sequence change falls in intron 28 of the MTR gene. It does not directly change the encoded amino acid sequence of the MTR protein. This variant is present in population databases (no rsID available, gnomAD 0.004%). This variant has been observed in individual(s) with cobalamin G deficiency (PMID: 22887477; Invitae). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. ClinVar contains an entry for this variant (Variation ID: 968857). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. 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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