CCT2 p.Thr27=
c.81T>A · rs1881676215 · VCV2094005
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00229%, sas)
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 | ||
| Conservation | phyloP -8.8 | GERP -4.1 |
| Overall | ||
| CADD | 0.124 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00229%
South Asian · 2/87,358 alleles
Filtering AF
0.00038%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000142%
Overall
0.000125%
2/1,597,030 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
- CCT2
- Protein
- p.Thr27=
- Coding
- c.81T>A
- MANE Select
- NM_006431
- dbSNP
- rs1881676215
- Type
- single nucleotide variant
- Location
- chr12:69586755 (GRCh38)
- Gene constraint
- LOEUF 0.445 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 89.85 · 71 PDB
- Residue 27
- an α-helix
Similar variants
- CCT2 p.Thr27Ala Uncertain significance ★ ⚠ same residue
- CCT2 p.Ala128Thr Uncertain significance ★★ ⚠ same type
- CCT2 p.Ala133Val Uncertain significance ★★ ⚠ same type
- CCT2 p.Ala145Val Uncertain significance ★★ ⚠ same type
- CCT2 p.Arg156Cys Uncertain significance ★★ ⚠ same type
- CCT2 p.Arg255Gln Uncertain significance ★★ ⚠ same type
- CCT2 p.Arg255Trp Uncertain significance ★★ ⚠ same type
- CCT2 p.Arg281Cys Uncertain significance ★★ ⚠ same type
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/cct2-p-thr27 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown