PEX5 p.Ala437=
c.1311C>T · rs752777267 · VCV2722685
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00446%, eas)
Conditions
1
peroxisome biogenesis disorder 2B
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 1.1 | GERP -3.1, phastCons 1 |
| Overall | ||
| CADD | 11.26 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00446%
East Asian · 2/44,878 alleles
Filtering AF
0.000739%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000276%
Overall
0.000248%
4/1,614,070 alleles · very rare
exomes 4/1,461,768 · genomes 0/152,302 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00446% | 22,439 |
| African / African-American | 0.00133% | 75,040 |
| South Asian | 0.0011% | 91,080 |
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
- PEX5
- Protein
- p.Ala437=
- Coding
- c.1311C>T
- MANE Select
- NM_001351132
- dbSNP
- rs752777267
- Type
- single nucleotide variant
- Location
- chr12:7208586 (GRCh38)
- Gene constraint
- LOEUF 0.768 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 70.28 · 11 PDB
- Residue 437
- a UniProt-annotated variant site (in pbd2b; impaired ability to mediate peroxisomal import of proteins containing both a c-terminal pts1- and pts2-type targeting signals); an α-helix
Similar variants
- PEX5 c.449-2A>G Pathogenic/Likely pathogenic ★★ same condition
- PEX5 c.552-1G>A Pathogenic/Likely pathogenic ★★ same condition
- PEX5 c.847-2A>G Likely pathogenic ★★ same condition
- PEX5 c.967-1G>A Likely pathogenic ★★ same condition
- PEX5 p.Arg237Ter Pathogenic/Likely pathogenic ★★ same condition
- PEX5 p.Arg276Ter Pathogenic/Likely pathogenic ★★ same condition
- PEX5 p.Arg420Ter Pathogenic ★★ same condition
- PEX5 p.Arg427Ter 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/pex5-p-ala437 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown