IFT172 p.Arg908=
c.2724G>A · rs367662405 · VCV1579876
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.000678%, nfe)
Conditions
2
short-rib thoracic dysplasia 10 with or without polydactyly
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 | GERP -0.57, phastCons 0.46 |
| Overall | ||
| CADD | 9.769 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.000678%
European (non-Finnish) · 8/1,180,056 alleles
Filtering AF
0.000292%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000211%
Overall
0.000496%
8/1,614,072 alleles · very rare
exomes 4/1,461,890 · genomes 4/152,182 · joint denominator
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
- IFT172
- Protein
- p.Arg908=
- Coding
- c.2724G>A
- MANE Select
- NM_015662
- dbSNP
- rs367662405
- Type
- single nucleotide variant
- Location
- chr2:27459441 (GRCh38)
- Gene constraint
- LOEUF 0.745 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 83.98 · 1 PDB
Similar variants
- IFT172 p.Arg908Gln Benign/Likely benign ★★ same residue
- IFT172 p.Arg908Trp Conflicting classifications of pathogenicity ★ ⚠ same residue
- IFT172 c.1411+2T>C Likely pathogenic ★★ same condition
- IFT172 c.1525-1G>A Pathogenic/Likely pathogenic ★★ same condition
- IFT172 c.184-2A>C Likely pathogenic ★★ same condition
- IFT172 c.2443-1G>C Likely pathogenic ★★ same condition
- IFT172 c.2976-2A>T Likely pathogenic ★★ same condition
- IFT172 c.3111+1G>T 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/ift172-p-arg908 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown