PEX5 p.Ala277=
c.831C>A · rs747216258 · VCV1105328
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00267%, afr)
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 1.8 | GERP -0.46, phastCons 1 |
| Overall | ||
| CADD | 10.66 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00267%
African / African-American · 2/74,848 alleles
Filtering AF
0.000443%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000211%
Overall
0.000682%
11/1,613,260 alleles · very rare
exomes 10/1,461,188 · genomes 1/152,072 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00267% | 37,424 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,464 |
| European (non-Finnish) | 0.000678% | 147,424 |
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.Ala277=
- Coding
- c.831C>A
- MANE Select
- NM_001351132
- dbSNP
- rs747216258
- Type
- single nucleotide variant
- Location
- chr12:7202689 (GRCh38)
- Gene constraint
- LOEUF 0.768 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 70.28 · 11 PDB
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-ala277 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown