EP400 p.Ala2878Val
c.8633C>T · VCV4018352
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00223%, eas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.49 | indeterminate |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 5.9 | GERP 1.2, phastCons 1 |
| Regional constraint | o/e 0.72 | unconstrained · MANE · 13 kb · p 4.3e-08 · regional, not allelic |
| Overall | ||
| CADD | 26.8 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00223%
East Asian · 1/44,858 alleles
Filtering AF
6.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.9e-05%
Overall
0.00041%
6/1,461,640 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00223% | 44,858 |
| Admixed American | 0.00167% | 60,000 |
| South Asian | 0.0011% | 91,048 |
| European (non-Finnish) | 0.000254% | 393,317 |
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
- EP400
- Protein
- p.Ala2878Val
- Coding
- c.8633C>T
- MANE Select
- NM_015409
- Type
- single nucleotide variant
- Location
- chr12:132066853 (GRCh38)
- Gene constraint
- LOEUF 0.365 · pLI 1.00 (gnomAD)
Similar variants
- EP400 p.Thr664Ala Uncertain significance ★★ same type
- EP400 c.1435+8G>A Benign ★★ same type
- EP400 c.7027-9C>T Benign ★★ same type
- EP400 p.Ala146= Likely benign ★★ same type
- EP400 p.Ala1649Thr Benign/Likely benign ★★ same type
- EP400 p.Ala1764= Benign ★★ same type
- EP400 p.Ala244= Likely benign ★★ same type
- EP400 p.Ala2803= Likely benign ★★ 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/ep400-p-ala2878val (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown