LRP2 p.Ala880=
c.2640T>G · rs1690299512 · VCV894303
Uncertain significance
Multiple submitters
Classification
Uncertain significance
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.0067%, eas)
Conditions
1
Donnai-Barrow 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 | ||
| Conservation | phyloP 1.2 | GERP -3.7, phastCons 0.99 |
| Overall | ||
| CADD | 12.04 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0067%
East Asian · 3/44,800 alleles
Filtering AF
0.00178%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000892%
Overall
0.000186%
3/1,611,222 alleles · very rare
exomes 3/1,458,904 · genomes 0/152,318 · joint denominator
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
- LRP2
- Protein
- p.Ala880=
- Coding
- c.2640T>G
- MANE Select
- NM_004525
- dbSNP
- rs1690299512
- Type
- single nucleotide variant
- Location
- chr2:169256236 (GRCh38)
- Gene constraint
- LOEUF 0.352 · pLI 1.00 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Residue 880
- a turn
Similar variants
- LRP2 p.Ala880Val Uncertain significance ★★ same residue
- LRP2 p.Ala880Thr Uncertain significance ★ ⚠ same residue
- LRP2 c.12019+1G>A Likely pathogenic ★★ same condition
- LRP2 c.2639+1G>A Pathogenic/Likely pathogenic ★★ same condition
- LRP2 c.3667+1G>A Pathogenic/Likely pathogenic ★★ same condition
- LRP2 c.8452+1G>A Pathogenic ★★ same condition
- LRP2 p.Arg1953Ter Pathogenic/Likely pathogenic ★★ same condition
- LRP2 p.Arg2225Ter Pathogenic/Likely pathogenic ★★ same condition
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/lrp2-p-ala880 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown