Is SBF2 p.Ser243Tyr (c.728C>A) pathogenic?

SBF2 p.Ser243Tyr (c.728C>A) is classified Uncertain significance in SBF2 (ClinVar, Single submitter, 1 submitter; last evaluated 2021-09-24). AlphaMissense: likely pathogenic (0.66); No allele count reported in gnomAD v4.1 (AN 1,612,414); Associated with Charcot-Marie-Tooth disease type 4.

What condition is associated with SBF2 p.Ser243Tyr (c.728C>A)?

SBF2 p.Ser243Tyr (c.728C>A) is associated with Charcot-Marie-Tooth disease type 4 (ClinVar).

How common is SBF2 p.Ser243Tyr (c.728C>A) in the general population?

SBF2 p.Ser243Tyr (c.728C>A) is no allele count reported in gnomAD v4.1 (AN 1,612,414) (gnomAD).

What do computational predictors say about SBF2 p.Ser243Tyr (c.728C>A)?

AlphaMissense predicts likely pathogenic (score 0.66) — an in-silico prediction, not a clinical call.

SBF2 p.Ser243Tyr

c.728C>A · rs2134513972 · VCV1512023

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.66 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,612,414)

Missense predictors

2/2 damaging

AlphaMissense, SaProt · REVEL indeterminate

Conditions

Charcot-Marie-Tooth disease type 4

Computational evidence

Protein change
AlphaMissense	0.66	likely pathogenic
REVEL	0.356	indeterminate
SaProt	LLR -11.70	damaging
⇒ AlphaMissense and SaProt both call this damaging; REVEL is indeterminate.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 12	GERP 2.2, phastCons 1
Regional constraint	o/e 0.90	unconstrained · MANE · 514 kb · p 7.7e-06 · regional, not allelic
Overall
CADD	25.7	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean damaging — a triage signal, not a reclassification

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

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,612,414). 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: SBF2
Protein: p.Ser243Tyr
Coding: c.728C>A
MANE Select: NM_030962
dbSNP: rs2134513972
Type: single nucleotide variant
Location: chr11:10002581 (GRCh38)
Gene constraint: LOEUF 0.591 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 73.74
Residue 243: the cdenn domain

Full SBF2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Charcot-Marie-Tooth disease type 4 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

SBF2 p.Ser243Thr Uncertain significance ★ ⚠ same residue
SBF2 c.3653-1G>A Likely pathogenic ★★ same condition
SBF2 p.Arg342Ter Pathogenic/Likely pathogenic ★★ same condition
SBF2 p.Arg356Ter Pathogenic ★★ same condition
SBF2 p.Arg487Ter Pathogenic ★★ same condition
SBF2 p.Arg77Ter Pathogenic ★★ same condition
SBF2 c.1601-3T>G Uncertain significance ★★ same condition
SBF2 c.3111-3T>C 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/sbf2-p-ser243tyr (accessed [today's date]).

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