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CC2D2A p.Ser908=

c.2724C>T · rs757517563 · VCV2929138

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00659%, sas)
Conditions
2
Joubert syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 0.37GERP -0.79, phastCons 0.99
Overall
CADD11.16PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00659% South Asian · 6/91,036 alleles
Filtering AF 0.00286% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00195%
Overall 0.000411% 6/1,461,024 alleles · very rare

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
CC2D2A
Protein
p.Ser908=
Coding
c.2724C>T
MANE Select
NM_001378615
dbSNP
rs757517563
Type
single nucleotide variant
Location
chr4:15557402 (GRCh38)
Gene constraint
LOEUF 0.854 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 69.46
Full CC2D2A 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/cc2d2a-p-ser908 (accessed [today's date]).

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