Is NF2 p.Thr477= (c.1431C>A) pathogenic?

NF2 p.Thr477= (c.1431C>A) is classified Likely benign in NF2 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2023-12-11). No allele count reported in gnomAD v4.1 (AN 1,569,280); Associated with hereditary neoplastic syndrome.

What condition is associated with NF2 p.Thr477= (c.1431C>A)?

NF2 p.Thr477= (c.1431C>A) is associated with hereditary neoplastic syndrome, NF2-related schwannomatosis (ClinVar).

How common is NF2 p.Thr477= (c.1431C>A) in the general population?

NF2 p.Thr477= (c.1431C>A) is no allele count reported in gnomAD v4.1 (AN 1,569,280) (gnomAD).

NF2 p.Thr477=

c.1431C>A · rs2147093689 · VCV1122027

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,569,280)

Conditions

hereditary neoplastic syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.385	indeterminate
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 1.8	GERP 1.1, phastCons 1
Overall
CADD	10.42	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,569,280). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: NF2
Protein: p.Thr477=
Coding: c.1431C>A
MANE Select: NM_000268
dbSNP: rs2147093689
Type: single nucleotide variant
Location: chr22:29674926 (GRCh38)
Gene constraint: LOEUF 0.187 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 87.85 · 6 PDB

Full NF2 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: NF2-related schwannomatosis

Similar variants

NF2 p.Thr477Ile Conflicting classifications of pathogenicity ★ ⚠ same residue
NF2 p.Thr477Ser Uncertain significance ★ ⚠ same residue
NF2 c.115-1G>A Likely pathogenic ★★ same condition
NF2 c.1340+1G>T Pathogenic ★★ same condition
NF2 c.1340+2T>G Pathogenic ★★ same condition
NF2 c.1447-1G>A Pathogenic ★★ same condition
NF2 c.1575-2A>G Pathogenic ★★ same condition
NF2 c.1737+1G>T 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/nf2-p-thr477 (accessed [today's date]).

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