IDUA p.Arg447fs
c.1338_1356del · VCV4081451
Likely pathogenic
Single submitter
Classification
Likely pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Consequence | frameshift | predicted loss-of-function |
|---|---|---|
| NMD | predicted | premature termination codon in exon 9 of 14 |
| Splicing | ||
| SpliceAI | — | not assessed · substitutions only |
| Constraint at this position | ||
| Conservation | phyloP 5.5 | GERP -0.26, phastCons 1 |
Predicted loss-of-function is descriptive, not an applied PVS1 code.
Variant & gene context
- Gene
- IDUA
- Protein
- p.Arg447fs
- Coding
- c.1338_1356del
- MANE Select
- NM_000203
- Type
- Deletion
- Location
- chr4:1002879 (GRCh38)
- Gene constraint
- LOEUF 1.344 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 95.12 · 11 PDB
Similar variants
- IDUA p.Arg447_Ala448insAspAspThrArg Uncertain significance ★★ same residue
- IDUA p.Arg447Cys Uncertain significance ★★ ⚠ same residue
- IDUA p.Arg447His Uncertain significance ★★ ⚠ same residue
- SLC26A1 p.Val447Met Uncertain significance ★★ ⚠ same residue
- SLC26A1 p.Val447Leu Uncertain significance ★ ⚠ same residue
- IDUA p.Arg447= Likely benign ★ same residue
- IDUA p.Ala361fs Likely pathogenic ★★★ same type
- IDUA p.Arg531fs Pathogenic ★★★ same type
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/idua-p-arg447fs (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown