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FRMD7 p.Ser558=

c.1674C>T · rs369003419 · VCV1165233

Benign/Likely benign Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0402%, afr)

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
ConservationphyloP -1.5GERP -3
Overall
CADD0.196PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0402% African / African-American · 23/57,256 alleles
Filtering AF 0.0274% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0232%
Overall 0.00289% 35/1,209,291 alleles · ultra-rare exomes 20/1,097,318 · genomes 15/111,973 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.0402% 2,489
South Asian 0.0106% 9,465
East Asian 0.00296% 33,755
Admixed American 0.00218% 45,784
Remaining individualsnot grpmax-eligible 0.0021% 47,600
European (non-Finnish) 0.000335% 298,138

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
FRMD7
Protein
p.Ser558=
Coding
c.1674C>T
MANE Select
NM_194277
dbSNP
rs369003419
Type
single nucleotide variant
Location
chrX:132078343 (GRCh38)
Structure
AlphaFold pLDDT 62.31
Full FRMD7 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/frmd7-p-ser558 (accessed [today's date]).

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