Is PTPRO p.Phe150Val (c.448T>G) pathogenic?

PTPRO p.Phe150Val (c.448T>G) is classified Uncertain significance in PTPRO (ClinVar, Single submitter, 1 submitter; last evaluated 2024-02-28). AlphaMissense: likely pathogenic (0.9752); Absent from gnomAD v4.1; Associated with nephrotic syndrome, type 6.

What condition is associated with PTPRO p.Phe150Val (c.448T>G)?

PTPRO p.Phe150Val (c.448T>G) is associated with nephrotic syndrome, type 6 (ClinVar).

How common is PTPRO p.Phe150Val (c.448T>G) in the general population?

PTPRO p.Phe150Val (c.448T>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about PTPRO p.Phe150Val (c.448T>G)?

AlphaMissense predicts likely pathogenic (score 0.9752) — an in-silico prediction, not a clinical call.

PTPRO p.Phe150Val

Q: How is Hereditary steroid-resistant nephrotic syndrome inherited?

Typically Autosomal dominant, Autosomal recessive (Orphanet). A genetic counselor can assess individual risk for a family.

c.448T>G · VCV3574430

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.9752 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

1/2 damaging

AlphaMissense, SaProt · REVEL no call

Conditions

nephrotic syndrome, type 6

Computational evidence

Protein change
AlphaMissense	0.9752	likely pathogenic
REVEL	0.32	indeterminate
SaProt	LLR -5.54	tolerated
⇒ AlphaMissense calls this damaging; SaProt does not; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.6	GERP 2.6, phastCons 1
Regional constraint	o/e 0.93	unconstrained · MANE · 258 kb · p 0.015 · regional, not allelic
Overall
CADD	26.6	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

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: PTPRO
Protein: p.Phe150Val
Coding: c.448T>G
MANE Select: NM_030667
Type: single nucleotide variant
Location: chr12:15497343 (GRCh38)
Gene constraint: LOEUF 0.513 · pLI 0.17 (gnomAD)
Structure: AlphaFold pLDDT 77.55 · 2 PDB
Residue 150: the fibronectin type-iii 2 domain

Full PTPRO gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

nephrotic syndrome, type 6 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Hereditary steroid-resistant nephrotic syndrome (Orphanet):

Inheritance: Autosomal dominant, Autosomal recessive
Onset: Adolescent, Adult, Antenatal, Childhood, Infancy, Neonatal

Similar variants

PTPRO p.Ala1086Val Uncertain significance ★★ ⚠ same condition
PTPRO p.Ala591Thr Uncertain significance ★★ ⚠ same condition
PTPRO p.Arg480Trp Uncertain significance ★★ same condition
PTPRO p.Arg607Gln Uncertain significance ★★ ⚠ same condition
PTPRO p.Asp162Val Uncertain significance ★★ ⚠ same condition
PTPRO p.Asp799Gly Uncertain significance ★★ ⚠ same condition
PTPRO p.Glu214Lys Uncertain significance ★★ ⚠ same condition
PTPRO p.Glu564Lys Uncertain significance ★★ ⚠ 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/ptpro-p-phe150val (accessed [today's date]).

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