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CEP63 p.Arg540=

c.1620G>A · rs140668390 · VCV434749

Benign/Likely benign Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 5 submitters
gnomAD v4.1
Rare
rare (popmax 0.545%, mid)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.046moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 0.12GERP -3.5, phastCons 0.001
Overall
CADD4.228PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.545% Middle Eastern · 33/6,058 alleles
Filtering AF 0.399% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.363%
Overall 0.0719% 1,160/1,613,808 alleles · rare
Ancestry group Frequency 1 in
Middle Easterngrpmax 0.545% 184
South Asian 0.411% 244
Amishnot grpmax-eligible 0.329% 304
Remaining individualsnot grpmax-eligible 0.0896% 1,116
European (non-Finnish) 0.0562% 1,780
Admixed American 0.0383% 2,609
African / African-American 0.00933% 10,715
Finnishnot grpmax-eligible 0.00156% 63,978

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
CEP63
Protein
p.Arg540=
Coding
c.1620G>A
MANE Select
NM_001353108
dbSNP
rs140668390
Type
single nucleotide variant
Location
chr3:134558294 (GRCh38)
Gene constraint
LOEUF 1.127 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 77.95 · 4 PDB
Full CEP63 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/cep63-p-arg540 (accessed [today's date]).

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