GDF5 p.Pro421=
c.1263C>A · rs1426815431 · VCV3017454
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 8.47e-05%, nfe)
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 -0.2 | GERP -5.5, phastCons 0.033 |
| Overall | ||
| CADD | 7.759 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
8.47e-05%
European (non-Finnish) · 1/1,180,038 alleles
Overall
6.2e-05%
1/1,614,204 alleles · very rare
exomes 1/1,461,888 · genomes 0/152,316 · 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
- GDF5
- Protein
- p.Pro421=
- Coding
- c.1263C>A
- MANE Select
- NM_000557
- dbSNP
- rs1426815431
- Type
- single nucleotide variant
- Location
- chr20:35434152 (GRCh38)
- Gene constraint
- LOEUF 0.71 · pLI 0.03 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 71.04 · 15 PDB
Similar variants
- GDF5 p.Pro421Thr Uncertain significance ★ ⚠ same residue
- GDF5 p.Arg156Ter Pathogenic/Likely pathogenic ★★ same type
- GDF5 p.Arg301Ter Pathogenic/Likely pathogenic ★★ ⚠ same type
- GDF5 p.Arg380Gln Pathogenic/Likely pathogenic ★★ ⚠ same type
- GDF5 p.Cys400Tyr Likely pathogenic ★★ same type
- GDF5 p.Gln210Ter Pathogenic/Likely pathogenic ★★ same type
- GDF5 p.Glu491Lys Pathogenic ★★ ⚠ same type
- GDF5 p.Trp297Ter 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/gdf5-p-pro421 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown