IFT88 p.Arg43Ser
c.129G>T · VCV3657167
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
AlphaMissense
ambiguous
0.5146 · ACMG-weighted
gnomAD v4.1
Absent
absent from gnomAD v4.1
Missense predictors
0/2 damaging
REVEL, SaProt · AlphaMissense indeterminate
Computational evidence
| Protein change | ||
| AlphaMissense | 0.5146 | ambiguous |
|---|---|---|
| REVEL | 0.182 | moderately benign-leaning |
| SaProt | LLR -8.76 | tolerated |
| ⇒ REVEL and SaProt both call this tolerated; AlphaMissense is indeterminate. | ||
| Splicing | ||
| SpliceAI | Δ0.22 | donor gain · deltas |
| Constraint at this position | ||
| Conservation | phyloP 3.8 | GERP 0.7, phastCons 1 |
| Regional constraint | o/e 0.98 | unconstrained · MANE · 117 kb · p 0.59 · regional, not allelic |
| Overall | ||
| CADD | 24.6 | PHRED · no single calibrated threshold — expert panels disagree |
AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- IFT88
- Protein
- p.Arg43Ser
- Coding
- c.129G>T
- MANE Select
- NM_006531
- Type
- single nucleotide variant
- Location
- chr13:20582995 (GRCh38)
- Gene constraint
- LOEUF 1.023 · pLI 0.09 (gnomAD)
- Structure
- AlphaFold pLDDT 77.20
Similar variants
- IFT88 p.Ala327Thr Uncertain significance ★★ ⚠ same type
- IFT88 p.Ala37Gly Uncertain significance ★★ ⚠ same type
- IFT88 p.Ala458Val Uncertain significance ★★ ⚠ same type
- IFT88 p.Ala510Pro Uncertain significance ★★ ⚠ same type
- IFT88 p.Ala546Thr Uncertain significance ★★ ⚠ same type
- IFT88 p.Ala628Ser Uncertain significance ★★ ⚠ same type
- IFT88 p.Arg369His Uncertain significance ★★ ⚠ same type
- IFT88 p.Arg533Trp Uncertain significance ★★ ⚠ 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/ift88-p-arg43ser (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown