Is INF2 p.Ser351Arg (c.1053C>A) pathogenic?

INF2 p.Ser351Arg (c.1053C>A) is classified Uncertain significance in INF2 (ClinVar, Single submitter, 1 submitter; last evaluated 2019-03-23). AlphaMissense: likely benign (0.1564); No allele count reported in gnomAD v4.1 (AN 1,604,846); Associated with Charcot-Marie-Tooth disease dominant intermediate E.

How common is INF2 p.Ser351Arg (c.1053C>A) in the general population?

INF2 p.Ser351Arg (c.1053C>A) is no allele count reported in gnomAD v4.1 (AN 1,604,846) (gnomAD).

What do computational predictors say about INF2 p.Ser351Arg (c.1053C>A)?

AlphaMissense predicts likely benign (score 0.1564) — an in-silico prediction, not a clinical call.

INF2 p.Ser351Arg

Q: What condition is associated with INF2 p.Ser351Arg (c.1053C>A)?

INF2 p.Ser351Arg (c.1053C>A) is associated with Charcot-Marie-Tooth disease dominant intermediate E, focal segmental glomerulosclerosis 5 (ClinVar).

Q: How is Autosomal dominant intermediate Charcot-Marie-Tooth disease type E inherited?

Typically Autosomal dominant, Not applicable (Orphanet). A genetic counselor can assess individual risk for a family.

c.1053C>A · rs1889825135 · VCV849025

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.1564 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,604,846)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Charcot-Marie-Tooth disease dominant intermediate E

Computational evidence

Protein change
AlphaMissense	0.1564	likely benign
REVEL	0.082	moderately benign-leaning
SaProt	LLR -6.57	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -1	GERP 0.86
Regional constraint	o/e 1.23	unconstrained · MANE · 929 bp · p 5.5e-05 · regional, not allelic
Overall
CADD	1.433	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — 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 1,604,846). 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: INF2
Protein: p.Ser351Arg
Coding: c.1053C>A
MANE Select: NM_022489
dbSNP: rs1889825135
Type: single nucleotide variant
Location: chr14:104707320 (GRCh38)
Gene constraint: LOEUF 0.526 · pLI 0.33 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 67.34 · 10 PDB
Residue 351: a modified residue (phosphoserine); the 'disordered' region

Full INF2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Charcot-Marie-Tooth disease dominant intermediate E — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: focal segmental glomerulosclerosis 5

For Autosomal dominant intermediate Charcot-Marie-Tooth disease type E (Orphanet):

Inheritance: Autosomal dominant, Not applicable
Onset: No data available

Similar variants

INF2 p.Arg177Cys Pathogenic/Likely pathogenic ★★ same condition
INF2 p.Arg214Cys Pathogenic/Likely pathogenic ★★ same condition
INF2 p.Arg214His Pathogenic/Likely pathogenic ★★ same condition
INF2 p.Arg218Gln Pathogenic/Likely pathogenic ★★ same condition
INF2 p.Arg218Trp Pathogenic/Likely pathogenic ★★ same condition
INF2 p.Arg91Gly Pathogenic/Likely pathogenic ★★ same condition
INF2 p.Asn202Asp Likely pathogenic ★★ same condition
INF2 p.Glu184Lys 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/inf2-p-ser351arg (accessed [today's date]).

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