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CPEB1 p.Pro405Leu

c.1214C>T · rs185845489 · VCV2602806

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0179%, eas)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.06moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 8.6GERP 1.7, phastCons 1
Overall
CADD22.0PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0179% East Asian · 8/44,738 alleles
Filtering AF 0.00886% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00643%
Overall 0.00391% 63/1,611,896 alleles · ultra-rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.0179% 5,592
Admixed American 0.00504% 19,855
European (non-Finnish) 0.00399% 25,089
Remaining individualsnot grpmax-eligible 0.0032% 31,204
Finnishnot grpmax-eligible 0.00156% 63,986
African / African-American 0.00134% 74,802
South Asian 0.0011% 90,744

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
CPEB1
Protein
p.Pro405Leu
Coding
c.1214C>T
MANE Select
NM_001365242
dbSNP
rs185845489
Type
single nucleotide variant
Location
chr15:82552547 (GRCh38)
Gene constraint
LOEUF 0.177 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 66.05 · 5 PDB
Residue 405
the rrm 1 domain; the 'necessary for stress granule assembly and correct localization in dcp1 bodies' region
Full CPEB1 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/cpeb1-p-pro405leu (accessed [today's date]).

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