Is INF2 p.Arg56= (c.168C>A) pathogenic?

INF2 p.Arg56= (c.168C>A) is classified Likely benign in INF2 (ClinVar, Single submitter, 1 submitter; last evaluated 2019-09-05). Absent from gnomAD v4.1; Associated with focal segmental glomerulosclerosis 5.

What condition is associated with INF2 p.Arg56= (c.168C>A)?

INF2 p.Arg56= (c.168C>A) is associated with focal segmental glomerulosclerosis 5, Charcot-Marie-Tooth disease dominant intermediate E (ClinVar).

How common is INF2 p.Arg56= (c.168C>A) in the general population?

INF2 p.Arg56= (c.168C>A) is absent from gnomAD v4.1 (gnomAD).

INF2 p.Arg56=

c.168C>A · rs2140638425 · VCV1093198

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

focal segmental glomerulosclerosis 5

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 -4	GERP -11
Overall
CADD	2.981	PHRED · no single calibrated threshold — expert panels disagree

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: INF2
Protein: p.Arg56=
Coding: c.168C>A
MANE Select: NM_022489
dbSNP: rs2140638425
Type: single nucleotide variant
Location: chr14:104701533 (GRCh38)
Gene constraint: LOEUF 0.526 · pLI 0.33 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 67.34 · 10 PDB
Residue 56: the gbd/fh3 domain

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

Disease context

focal segmental glomerulosclerosis 5 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: Charcot-Marie-Tooth disease dominant intermediate E

Similar variants

INF2 p.Arg56His Likely pathogenic ★ same residue
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

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-arg56 (accessed [today's date]).

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