Is PTEN p.Pro38Arg (c.113C>G) pathogenic?

PTEN p.Pro38Arg (c.113C>G) is classified Pathogenic in PTEN (ClinVar, Single submitter, 1 submitter; last evaluated 2019-05-03). AlphaMissense: likely pathogenic (0.9995); Absent from gnomAD v4.1.

How common is PTEN p.Pro38Arg (c.113C>G) in the general population?

PTEN p.Pro38Arg (c.113C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about PTEN p.Pro38Arg (c.113C>G)?

AlphaMissense predicts likely pathogenic (score 0.9995) — an in-silico prediction, not a clinical call.

PTEN p.Pro38Arg

c.113C>G · rs1064796886 · VCV424262

Pathogenic Single submitter

Classification

Pathogenic

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.9995 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

3/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.9995	likely pathogenic ✓ concordant with ClinVar · top 8% in PTEN
REVEL	0.946	strongly pathogenic-leaning
SaProt	LLR -14.70	damaging
⇒ AlphaMissense, REVEL and SaProt all call this damaging.
Splicing
SpliceAI	<0.2	all four deltas below 0.2 · C>T here scores Δ0.47 · evaluated, not missing
Constraint at this position
Conservation	phyloP 5.9	GERP 1.5, phastCons 1
Regional constraint	o/e 0.27	constrained · MANE · 69 kb · p 6.5e-17 · regional, not allelic
Overall
CADD	33.0	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: PTEN
Protein: p.Pro38Arg
Coding: c.113C>G
MANE Select: NM_000314
dbSNP: rs1064796886
Type: single nucleotide variant
Location: chr10:87894058 (GRCh38)
Gene constraint: LOEUF 0.685 · pLI 0.05 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 83.76 · 12 PDB
Residue 38: the phosphatase tensin-type domain

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

Similar variants

PTEN p.Pro38His Likely pathogenic ★★★ same residue
PTEN p.Pro38Leu Pathogenic ★★★ same residue
PTEN p.Pro38Ser Uncertain significance ★★★ ⚠ same residue
PTEN p.Pro38= Likely benign ★★★ same residue
PTEN p.Pro38Thr Likely pathogenic ★★ same residue
PTEN p.Pro38fs Pathogenic ★ same residue
PTEN p.Pro38Phe Likely pathogenic ★ same residue
PTEN c.1026+1G>A 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/pten-p-pro38arg (accessed [today's date]).

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