Is SUFU p.Asp476= (c.1428C>T) pathogenic?

SUFU p.Asp476= (c.1428C>T) is classified Likely benign in SUFU (ClinVar, Multiple submitters, 4 submitters; last evaluated 2026-02-02). Ultra-rare (popmax 0.0156%, eas); Associated with hereditary neoplastic syndrome.

What condition is associated with SUFU p.Asp476= (c.1428C>T)?

SUFU p.Asp476= (c.1428C>T) is associated with hereditary neoplastic syndrome, nevoid basal cell carcinoma syndrome, medulloblastoma (ClinVar).

How common is SUFU p.Asp476= (c.1428C>T) in the general population?

SUFU p.Asp476= (c.1428C>T) is ultra-rare (popmax 0.0156%, eas) (gnomAD).

SUFU p.Asp476=

c.1428C>T · rs777069460 · VCV413914

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 4 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0156%, eas)

Conditions

hereditary neoplastic syndrome

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
Conservation	phyloP -11	GERP -4.3
Overall
CADD	0.215	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0156% East Asian · 7/44,876 alleles

Filtering AF 0.00726% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00515%

Overall 0.0013% 21/1,614,184 alleles · ultra-rare exomes 16/1,461,868 · genomes 5/152,316 · joint denominator

Ancestry group	Frequency	1 in
East Asiangrpmax	0.0156%	6,411
African / African-American	0.00266%	37,525
European (non-Finnish)	0.00102%	98,336

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: SUFU
Protein: p.Asp476=
Coding: c.1428C>T
MANE Select: NM_016169
dbSNP: rs777069460
Type: single nucleotide variant
Location: chr10:102630128 (GRCh38)
Gene constraint: LOEUF 0.214 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 82.95 · 10 PDB
Residue 476: a UniProt-annotated variant site (sequence variant); an α-helix

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

Also linked: nevoid basal cell carcinoma syndrome medulloblastoma

Similar variants

SUFU p.Asp476Tyr Uncertain significance ★ ⚠ same residue
SUFU p.Asp476fs Uncertain significance ★ same residue
SUFU c.1022+1G>A Pathogenic ★★ same condition
SUFU c.1023-2A>T Likely pathogenic ★★ same condition
SUFU c.683+1G>A Likely pathogenic ★★ same condition
SUFU c.684-2A>G Likely pathogenic ★★ same condition
SUFU p.Arg146Ter Pathogenic ★★ same condition
SUFU p.Arg299Ter Pathogenic ★★ 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-asp476 (accessed [today's date]).

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