PEX2 p.Arg193=
c.579G>A · rs1395525519 · VCV597986
Conflicting classifications of pathogenicity
Conflicting submitters
Classification
Conflicting classifications of pathogenicity
ClinVar
Review
Conflicting submitters ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00133%, afr)
Conditions
1
peroxisome biogenesis disorder 5A (Zellweger)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 0.85 | GERP 0.66, phastCons 1 |
| Overall | ||
| CADD | 10.31 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00133%
African / African-American · 1/74,914 alleles
Overall
0.000124%
2/1,613,948 alleles · very rare
exomes 1/1,461,774 · genomes 1/152,174 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00133% | 74,914 |
| European (non-Finnish) | 8.47e-05% | 1,179,988 |
Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.
Variant & gene context
- Gene
- PEX2
- Protein
- p.Arg193=
- Coding
- c.579G>A
- MANE Select
- NM_000318
- dbSNP
- rs1395525519
- Type
- single nucleotide variant
- Location
- chr8:76983600 (GRCh38)
- Gene constraint
- LOEUF 1.057 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 81.17
- Residue 193
- a UniProt-annotated variant site (in pbd5a); a UniProt-annotated variant site (in pbd5b and pbd5a)
Similar variants
- PEX2 p.Arg193Gly Uncertain significance ★ ⚠ same residue
- PEX2 c.-17-2A>G Pathogenic/Likely pathogenic ★★ same condition
- PEX2 p.Arg119Ter Pathogenic ★★ same condition
- PEX2 p.Arg125Ter Pathogenic/Likely pathogenic ★★ same condition
- PEX2 p.Gln31Ter Pathogenic/Likely pathogenic ★★ same condition
- PEX2 p.Gln78Ter Pathogenic/Likely pathogenic ★★ same condition
- PEX2 p.Gln96Ter Pathogenic ★★ same condition
- PEX2 p.Glu168Ter Pathogenic/Likely pathogenic ★★ same condition
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/pex2-p-arg193 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown