TPRN p.Arg149=
c.447C>T · VCV4781458
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1
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 0.089 | GERP 0.81 |
| Overall | ||
| CADD | 8.677 | PHRED · no single calibrated threshold — expert panels disagree |
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
- TPRN
- Protein
- p.Arg149=
- Coding
- c.447C>T
- MANE Select
- NM_001128228
- Type
- single nucleotide variant
- Location
- chr9:137200265 (GRCh38)
- Gene constraint
- LOEUF 1.099 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 55.27 · 1 PDB
- Residue 149
- the 'disordered' region
Similar variants
- TPRN p.Arg149fs Pathogenic/Likely pathogenic ★★ same residue
- TPRN p.Gln414Ter Pathogenic ★★ same type
- TPRN c.1725+5G>A Uncertain significance ★★ same type
- TPRN p.Ala191Val Uncertain significance ★★ ⚠ same type
- TPRN p.Ala302Asp Uncertain significance ★★ ⚠ same type
- TPRN p.Ala390Ser Uncertain significance ★★ ⚠ same type
- TPRN p.Ala695Thr Uncertain significance ★★ ⚠ same type
- TPRN p.Arg231Trp 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/tprn-p-arg149 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown