INPP5E p.Pro121=
c.363C>T · rs762231724 · VCV1127730
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0183%, mid)
Conditions
1
Joubert syndrome
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 -1.6 | GERP -0.1 |
| Overall | ||
| CADD | 5.813 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0183%
Middle Eastern · 1/5,464 alleles
Filtering AF
0.000297%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000215%
Overall
0.000701%
11/1,568,190 alleles · ultra-rare
exomes 11/1,415,912 · genomes 0/152,278 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0183% | 5,464 |
| East Asian | 0.00234% | 42,714 |
| Remaining individualsnot grpmax-eligible | 0.00165% | 60,712 |
| European (non-Finnish) | 0.000691% | 144,678 |
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
- INPP5E
- Protein
- p.Pro121=
- Coding
- c.363C>T
- MANE Select
- NM_019892
- dbSNP
- rs762231724
- Type
- single nucleotide variant
- Location
- chr9:136439057 (GRCh38)
- Structure
- AlphaFold pLDDT 88.46
Similar variants
- INPP5E p.Pro121Ser Uncertain significance ★★ ⚠ same residue
- PMPCA p.Ala121Ser Uncertain significance ★ ⚠ same residue
- INPP5E p.Arg378Cys Pathogenic/Likely pathogenic ★★ same condition
- INPP5E p.Arg435Gln Pathogenic/Likely pathogenic ★★ same condition
- INPP5E p.Arg435Trp Pathogenic/Likely pathogenic ★★ same condition
- INPP5E p.Arg557His Pathogenic/Likely pathogenic ★★ same condition
- INPP5E p.Arg585Cys Pathogenic/Likely pathogenic ★★ same condition
- INPP5E p.Arg621Gln 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/inpp5e-p-pro121 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown