ALG3 p.Leu189Pro
c.566T>C · VCV4082581
Likely pathogenic
Single submitter
Classification
Likely pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
AlphaMissense
likely pathogenic
0.8534 · ACMG-weighted
gnomAD v4.1
Absent
absent from gnomAD v4.1
Missense predictors
3/3 damaging
AlphaMissense, REVEL, SaProt
Computational evidence
| Protein change | ||
| AlphaMissense | 0.8534 | likely pathogenic ✓ concordant with ClinVar |
|---|---|---|
| REVEL | 0.83 | moderately pathogenic-leaning |
| SaProt | LLR -17.77 | damaging |
| ⇒ AlphaMissense, REVEL and SaProt all call this damaging. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 11 | GERP 1.6, phastCons 1 |
| Regional constraint | o/e 1.09 | unconstrained · MANE · 3,742 bp · p 0.14 · regional, not allelic |
| Overall | ||
| CADD | 29.8 | PHRED · no single calibrated threshold — expert panels disagree |
AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- ALG3
- Protein
- p.Leu189Pro
- Coding
- c.566T>C
- MANE Select
- NM_005787
- Type
- single nucleotide variant
- Location
- chr3:184245237 (GRCh38)
- Gene constraint
- LOEUF 0.972 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 89.05
Similar variants
- ALG3 c.444+1G>T Likely pathogenic ★★ same type
- ALG3 p.Arg171Gln Pathogenic/Likely pathogenic ★★ same type
- ALG3 p.Arg266Cys Pathogenic ★★ same type
- ALG3 p.Arg354Cys Likely pathogenic ★★ same type
- ALG3 p.Arg354His Pathogenic/Likely pathogenic ★★ same type
- ALG3 p.Asn174Ser Likely pathogenic ★★ ⚠ same type
- ALG3 p.Gly55= Pathogenic/Likely pathogenic ★★ same type
- ALG3 p.Ile69Thr Likely 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/alg3-p-leu189pro (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown