PEX2 p.Cys109=
c.327T>C · rs746604322 · VCV1153438
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000593%, nfe)
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 1.2 | GERP -4.4, phastCons 1 |
| Overall | ||
| CADD | 7.281 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.000593%
European (non-Finnish) · 7/1,180,014 alleles
Filtering AF
0.000247%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000159%
Overall
0.000434%
7/1,614,198 alleles · very rare
exomes 7/1,461,866 · genomes 0/152,332 · joint denominator
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.Cys109=
- Coding
- c.327T>C
- MANE Select
- NM_000318
- dbSNP
- rs746604322
- Type
- single nucleotide variant
- Location
- chr8:76983852 (GRCh38)
- Gene constraint
- LOEUF 1.057 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 81.17
- Residue 109
- a UniProt-annotated variant site (in pbd5a)
Similar variants
- PEX2 p.Cys109fs Pathogenic/Likely pathogenic ★★ 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-cys109 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown