APC2 p.Pro1397=
c.4191G>A · rs545834777 · VCV2977212
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00253%, nfe)
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 -15 | GERP -2.1 |
| Overall | ||
| CADD | 0.335 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00253%
European (non-Finnish) · 28/1,106,922 alleles
Filtering AF
0.00175%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00151%
Overall
0.00222%
29/1,305,380 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.00253% | 39,533 |
| Remaining individualsnot grpmax-eligible | 0.00177% | 56,360 |
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
- APC2
- Protein
- p.Pro1397=
- Coding
- c.4191G>A
- MANE Select
- NM_005883
- dbSNP
- rs545834777
- Type
- single nucleotide variant
- Location
- chr19:1467492 (GRCh38)
- Gene constraint
- LOEUF 0.961 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 48.87
- Residue 1397
- the '5 x 20 aa approximate repeat of f-x-v-e-x-t-p-x-c-f-s-r-x-s-s-l-s-s-l-s' region; the 'interaction with ctnnb1' region; the 'disordered' region; a UniProt-annotated variant site (in cdcbm10)
Similar variants
- APC2 p.Ala1059Glu Uncertain significance ★★ ⚠ same type
- APC2 p.Ala1103Thr Uncertain significance ★★ ⚠ same type
- APC2 p.Ala1116Val Uncertain significance ★★ ⚠ same type
- APC2 p.Ala126Ser Uncertain significance ★★ ⚠ same type
- APC2 p.Ala1311Thr Uncertain significance ★★ ⚠ same type
- APC2 p.Ala1359Val Uncertain significance ★★ ⚠ same type
- APC2 p.Ala1438Thr Uncertain significance ★★ ⚠ same type
- APC2 p.Ala1492Glu 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/apc2-p-pro1397 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown