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CFAP20DC p.Lys367Arg

c.1100A>G · rs145324023 · VCV3143368

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.179%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.046moderately benign-leaning
Splicing
SpliceAI<0.2all four deltas below 0.2 · T>A here scores Δ0.23 · evaluated, not missing
Constraint at this position
ConservationphyloP 4.3GERP 0.23, phastCons 1
Regional constrainto/e 1.04unconstrained · MANE · 307 kb · p 0.24 · regional, not allelic
Overall
CADD17.6PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.179% African / African-American · 134/75,044 alleles
Filtering AF 0.154% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.145%
Overall 0.01% 162/1,613,744 alleles · rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.179% 560
Admixed American 0.0233% 4,287
Remaining individualsnot grpmax-eligible 0.0224% 4,463

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
CFAP20DC
Protein
p.Lys367Arg
Coding
c.1100A>G
MANE Select
NM_001394063
dbSNP
rs145324023
Type
single nucleotide variant
Location
chr3:58867852 (GRCh38)
Gene constraint
LOEUF 0.894 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 53.59
Residue 367
the 'disordered' region
Full CFAP20DC 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/cfap20dc-p-lys367arg (accessed [today's date]).

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