V390=
SynonymousSilentLikely benignTransmembrane · predictedSilent — Silent — no amino-acid change
Interactive 3D Structure
AlphaFold wild-type wolframin · the variant site near residue 390 (Transmembrane helix 3) is highlighted.
Variant Assessment
Therapeutic Implication · Silent
Clinical Evidence
Not observed in ~730k individuals — consistent with a rare allele (ACMG PM2_supporting).
ClinVar classifies this variant as Likely benign, but does not state what it is classified for. ClinVar records no condition for this variant. A classification without a phenotype and an inheritance mode cannot be read as a statement about Wolfram syndrome risk or severity.
- Phenotype scope is interpretation of submitted records. The computed values on this card (AlphaMissense, DynaMut2 ΔΔG, pLDDT) are measurements of the model, not of a patient.
- Presentation cannot be generalised from neighbouring variants: one nucleotide over can present very differently. Structural similarity supports a mechanistic hypothesis, never a phenotype claim.
Review status: 1★ single submitter. ClinVar "conditions" is the union of all submissions; 0–1★ entries are submitted conditions, not documented phenotypes.
No population breakdown — the variant is absent from gnomAD v4, so no ancestry group has an observed frequency.
No homozygotes — the variant is absent from gnomAD v4 altogether.
Source: gnomAD r4, retrieved 2026-08-21. Values are allele frequencies. The carrier estimate is derived from the allele frequency (Hardy-Weinberg, ~2·AF) and is an approximation, not a published figure — where a published carrier frequency exists it outranks this column and is cited on the card.
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Full Variant Card
V390= — WFS1 Molecular Atlas Card
Variant type: Synonymous (silent) Codon: position 390 (Valine, V) — amino acid unchanged Domain context: Transmembrane helix 3
Schema category: Silent — Silent — no amino-acid change
No amino-acid change (V390 is unchanged): the codon is altered but the protein sequence is identical to wild-type. No structural, stability or AlphaMissense effect applies. Synonymous variants are typically benign unless they affect splicing or regulatory elements; this one is not adjacent to an exon boundary.
Clinical evidence
Inheritance and scope
Likely benign — phenotype scope not stated in ClinVar
ClinVar classifies this variant as Likely benign, but does not state what it is classified for. ClinVar records no condition for this variant. A classification without a phenotype and an inheritance mode cannot be read as a statement about Wolfram syndrome risk or severity.
Phenotype scope is interpretation of submitted records. The computed values on this card (AlphaMissense, DynaMut2 ΔΔG, pLDDT) are measurements of the model, not of a patient. Presentation cannot be generalised from neighbouring variants: one nucleotide over can present very differently. Structural similarity supports a mechanistic hypothesis, never a phenotype claim.
- Classification: Likely benign
- Review status: criteria provided, single submitter
- cDNA change: c.1170G>A
- ClinVar accession: VCV001934958
- Last evaluated: 2025/11/01 00:00
- Submissions: 1
Card generated by wolfram-atlas-batch (synonymous pipeline) on 2026-06-08T02:52:50.703242Z.
WFS1: UniProt O76024, AlphaFold v6. Synonymous variants carry no protein-structural effect.