TRAPPC12 p.Ala720=
c.2160C>T · rs147489818 · VCV3026437
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00534%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.059 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -0.84 | GERP -4.2 |
| Overall | ||
| CADD | 7.446 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00534%
African / African-American · 4/74,936 alleles
Filtering AF
0.00175%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00104%
Overall
0.00118%
19/1,613,974 alleles · very rare
exomes 18/1,461,754 · genomes 1/152,220 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00534% | 18,734 |
| Admixed American | 0.005% | 20,001 |
| East Asian | 0.00223% | 44,900 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,486 |
| European (non-Finnish) | 0.000847% | 118,005 |
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
- TRAPPC12
- Protein
- p.Ala720=
- Coding
- c.2160C>T
- MANE Select
- NM_016030
- dbSNP
- rs147489818
- Type
- single nucleotide variant
- Location
- chr2:3479413 (GRCh38)
- Gene constraint
- LOEUF 1.192 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 68.52
Similar variants
- TRAPPC12 p.Ala627Val Pathogenic/Likely pathogenic ★★ same type
- TRAPPC12 c.1531-3C>T Uncertain significance ★★ same type
- TRAPPC12 c.1603+5G>C Uncertain significance ★★ same type
- TRAPPC12 p.Ala309Val Uncertain significance ★★ ⚠ same type
- TRAPPC12 p.Ala485Thr Uncertain significance ★★ ⚠ same type
- TRAPPC12 p.Ala637Val Uncertain significance ★★ ⚠ same type
- TRAPPC12 p.Arg166Ser Uncertain significance ★★ ⚠ same type
- TRAPPC12 p.Arg533Gly 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/trappc12-p-ala720 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown