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CFAP99 p.Glu456Lys

c.1366G>A · VCV3832465

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00392%, amr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.035moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 4.4GERP -1.1, phastCons 1
Regional constrainto/e 1.08unconstrained · MANE · 36 kb · p 0.016 · regional, not allelic
Overall
CADD20.4PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00392% Admixed American · 2/50,984 alleles
Filtering AF 0.00065% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000243%
Overall 0.000723% 10/1,383,216 alleles · very rare
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.00392% 25,492
Remaining individualsnot grpmax-eligible 0.00167% 60,000
European (non-Finnish) 0.00061% 163,813

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
CFAP99
Protein
p.Glu456Lys
Coding
c.1366G>A
MANE Select
NM_001193282
Type
single nucleotide variant
Location
chr4:2459169 (GRCh38)
Gene constraint
LOEUF 1.203 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 77.28
Full CFAP99 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/cfap99-p-glu456lys (accessed [today's date]).

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