PTPRO p.Ser281=
c.843C>T · rs767560556 · VCV2054661
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0417%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | all four deltas below 0.2 · C>A here scores Δ0.61 · evaluated, not missing |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -7.2 | GERP -4.6 |
| Overall | ||
| CADD | 1.287 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0417%
Admixed American · 25/59,986 alleles
Filtering AF
0.0289%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0247%
Overall
0.00211%
34/1,613,900 alleles · ultra-rare
exomes 32/1,461,804 · genomes 2/152,096 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.0417% | 2,399 |
| Finnishnot grpmax-eligible | 0.00156% | 64,016 |
| African / African-American | 0.00134% | 74,906 |
| South Asian | 0.0011% | 91,074 |
| European (non-Finnish) | 0.000508% | 196,667 |
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
- PTPRO
- Protein
- p.Ser281=
- Coding
- c.843C>T
- MANE Select
- NM_030667
- dbSNP
- rs767560556
- Type
- single nucleotide variant
- Location
- chr12:15501801 (GRCh38)
- Gene constraint
- LOEUF 0.513 · pLI 0.17 (gnomAD)
- Structure
- AlphaFold pLDDT 77.55 · 2 PDB
- Residue 281
- the fibronectin type-iii 3 domain
Similar variants
- PTPRO p.Ala1086Val Uncertain significance ★★ ⚠ same type
- PTPRO p.Ala591Thr Uncertain significance ★★ ⚠ same type
- PTPRO p.Arg480Trp Uncertain significance ★★ same type
- PTPRO p.Arg607Gln Uncertain significance ★★ ⚠ same type
- PTPRO p.Asn569Asp Uncertain significance ★★ ⚠ same type
- PTPRO p.Asp162Val Uncertain significance ★★ ⚠ same type
- PTPRO p.Asp301His Uncertain significance ★★ ⚠ same type
- PTPRO p.Asp799Gly 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/ptpro-p-ser281 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown