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PTPRO p.Val809=

c.2427C>G · VCV4709194

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0134%, eas)

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
ConservationphyloP 2.5GERP 1.2, phastCons 1
Overall
CADD8.489PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0134% East Asian · 6/44,772 alleles
Filtering AF 0.0058% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00395%
Overall 0.000436% 7/1,606,792 alleles · ultra-rare exomes 6/1,457,862 · genomes 1/148,930 · joint denominator
Ancestry group Frequency 1 in
East Asiangrpmax 0.0134% 7,462
European (non-Finnish) 8.49e-05% 1,178,268

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.Val809=
Coding
c.2427C>G
MANE Select
NM_030667
Type
single nucleotide variant
Location
chr12:15549216 (GRCh38)
Gene constraint
LOEUF 0.513 · pLI 0.17 (gnomAD)
Structure
AlphaFold pLDDT 77.55 · 2 PDB
Residue 809
the fibronectin type-iii 8 domain
Full PTPRO gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-val809 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown