Is INF2 p.Ser199= (c.597C>T) pathogenic?

INF2 p.Ser199= (c.597C>T) is classified Conflicting classifications of pathogenicity in INF2 (ClinVar, Conflicting submitters, 3 submitters; last evaluated 2026-05-01). Ultra-rare (popmax 0.0329%, mid); Associated with focal segmental glomerulosclerosis 5.

What condition is associated with INF2 p.Ser199= (c.597C>T)?

INF2 p.Ser199= (c.597C>T) is associated with focal segmental glomerulosclerosis 5, Charcot-Marie-Tooth disease dominant intermediate E (ClinVar).

How common is INF2 p.Ser199= (c.597C>T) in the general population?

INF2 p.Ser199= (c.597C>T) is ultra-rare (popmax 0.0329%, mid) (gnomAD).

INF2 p.Ser199=

c.597C>T · rs372269719 · VCV702832

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 3 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0329%, mid)

Conditions

focal segmental glomerulosclerosis 5

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	<0.2	all four deltas below 0.2 · C>G here scores Δ0.24 · evaluated, not missing
Constraint at this position
Conservation	phyloP -4.5	GERP -3.7
Overall
CADD	5.236	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0329% Middle Eastern · 2/6,082 alleles

Filtering AF 0.0109% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0102%

Overall 0.0104% 168/1,612,804 alleles · ultra-rare exomes 158/1,460,556 · genomes 10/152,248 · joint denominator

Ancestry group	Frequency	1 in
Middle Easterngrpmax	0.0329%	3,041
Remaining individualsnot grpmax-eligible	0.0144%	6,941
European (non-Finnish)	0.0125%	7,972
African / African-American	0.00534%	18,734
Finnishnot grpmax-eligible	0.00318%	31,460
South Asian	0.0022%	45,547
Admixed American	0.00167%	60,016

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: INF2
Protein: p.Ser199=
Coding: c.597C>T
MANE Select: NM_022489
dbSNP: rs372269719
Type: single nucleotide variant
Location: chr14:104703384 (GRCh38)
Gene constraint: LOEUF 0.526 · pLI 0.33 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 67.34 · 10 PDB
Residue 199: 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.Ser199Arg Uncertain significance ★ ⚠ 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-ser199 (accessed [today's date]).

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