IRF2BPL p.Ser409=
c.1227C>T · VCV4821076
Likely benign
Single submitter
Classification
Likely benign
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. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 2 | GERP 1.4, phastCons 1 |
| Overall | ||
| CADD | 11.16 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00223%
East Asian · 1/44,874 alleles
Filtering AF
0.000247%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000159%
Overall
0.000496%
8/1,613,874 alleles · very rare
exomes 8/1,461,520 · genomes 0/152,354 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00223% | 44,874 |
| European (non-Finnish) | 0.000593% | 168,574 |
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
- IRF2BPL
- Protein
- p.Ser409=
- Coding
- c.1227C>T
- MANE Select
- NM_024496
- Type
- single nucleotide variant
- Location
- chr14:77026566 (GRCh38)
- Gene constraint
- LOEUF 0.544 · pLI 0.91 · ClinGen HI 1/3 (gnomAD)
- Structure
- AlphaFold pLDDT 62.01 · 1 PDB
- Residue 409
- a UniProt-annotated variant site (in nedamss); a UniProt-annotated variant site (in nedamss; loss of function)
Similar variants
- IRF2BPL p.Arg188Ter Pathogenic/Likely pathogenic ★★ same type
- IRF2BPL p.Gln117Ter Likely pathogenic ★★ same type
- IRF2BPL p.Gln119Ter Likely pathogenic ★★ same type
- IRF2BPL p.Gln120Ter Pathogenic/Likely pathogenic ★★ same type
- IRF2BPL p.Gln121Ter Pathogenic/Likely pathogenic ★★ same type
- IRF2BPL p.Gln122Ter Pathogenic/Likely pathogenic ★★ same type
- IRF2BPL p.Gln167Ter Pathogenic/Likely pathogenic ★★ same type
- IRF2BPL p.Gln497Ter Pathogenic/Likely pathogenic ★★ 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/irf2bpl-p-ser409 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown