Is SUFU p.Pro49Arg (c.146C>G) pathogenic?

SUFU p.Pro49Arg (c.146C>G) is classified Uncertain significance in SUFU (ClinVar, Single submitter, 1 submitter; last evaluated 2025-10-05). AlphaMissense: ambiguous (0.5162); Absent from gnomAD v4.1; Associated with hereditary neoplastic syndrome.

What condition is associated with SUFU p.Pro49Arg (c.146C>G)?

SUFU p.Pro49Arg (c.146C>G) is associated with hereditary neoplastic syndrome (ClinVar).

How common is SUFU p.Pro49Arg (c.146C>G) in the general population?

SUFU p.Pro49Arg (c.146C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about SUFU p.Pro49Arg (c.146C>G)?

AlphaMissense predicts ambiguous (score 0.5162) — an in-silico prediction, not a clinical call.

SUFU p.Pro49Arg

c.146C>G · VCV4551650

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.5162 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

hereditary neoplastic syndrome

Computational evidence

Protein change
AlphaMissense	0.5162	ambiguous
REVEL	0.484	indeterminate
SaProt	LLR -8.26	tolerated
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP 4.8	GERP 1.6, phastCons 1
Regional constraint	o/e 0.70	unconstrained · MANE · 126 kb · p 5.7e-14 · regional, not allelic
Overall
CADD	24.8	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: SUFU
Protein: p.Pro49Arg
Coding: c.146C>G
MANE Select: NM_016169
Type: single nucleotide variant
Location: chr10:102504298 (GRCh38)
Gene constraint: LOEUF 0.214 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 82.95 · 10 PDB

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

Disease context

hereditary neoplastic syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

SUFU p.Pro49Leu Uncertain significance ★★ ⚠ same residue
SUFU p.Pro49= Likely benign ★ same residue
SUFU p.Pro49Ala Uncertain significance ★ ⚠ same residue
SUFU c.1022+1G>A Pathogenic ★★ same condition
SUFU p.Arg146Ter Pathogenic ★★ same condition
SUFU p.Arg299Ter Pathogenic ★★ same condition
SUFU p.Trp88Ter Pathogenic/Likely pathogenic ★★ same condition
SUFU c.1158-3C>T 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/sufu-p-pro49arg (accessed [today's date]).

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