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CCDC149 p.Arg429Cys

c.1285C>T · VCV4220640

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00244%, eas)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.055moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 2.3GERP -0.43, phastCons 0.97
Regional constrainto/e 0.88unconstrained · MANE · 104 kb · p 0.0018 · regional, not allelic
Overall
CADD14.5PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00244% East Asian · 1/40,916 alleles
Filtering AF 0.00126% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00107%
Overall 0.00161% 25/1,552,152 alleles · very rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.00244% 40,916
European (non-Finnish) 0.00192% 52,142
Remaining individualsnot grpmax-eligible 0.00166% 60,258
African / African-American 0.00137% 73,040

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
CCDC149
Protein
p.Arg429Cys
Coding
c.1285C>T
MANE Select
NM_001395273
Type
single nucleotide variant
Location
chr4:24808712 (GRCh38)
Gene constraint
LOEUF 1.15 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 69.52
Residue 429
the 'disordered' region
Full CCDC149 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/ccdc149-p-arg429cys (accessed [today's date]).

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