LRPPRC p.Ala276=
c.828A>G · rs1673994036 · VCV2729794
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00133%, afr)
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 -3.5 | GERP -4.7 |
| Overall | ||
| CADD | 5.556 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00133%
African / African-American · 1/74,930 alleles
Filtering AF
6.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.9e-05%
Overall
0.000248%
4/1,613,270 alleles · very rare
exomes 3/1,461,064 · genomes 1/152,206 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00133% | 74,930 |
| European (non-Finnish) | 0.000254% | 393,204 |
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
- LRPPRC
- Protein
- p.Ala276=
- Coding
- c.828A>G
- MANE Select
- NM_133259
- dbSNP
- rs1673994036
- Type
- single nucleotide variant
- Location
- chr2:43975127 (GRCh38)
- Gene constraint
- LOEUF 0.808 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 77.35 · 2 PDB
- Residue 276
- an α-helix
Similar variants
- LRPPRC c.1369+1G>C Likely pathogenic ★★ same type
- LRPPRC c.1582+7A>G Likely pathogenic ★★ same type
- LRPPRC c.1677+1G>A Likely pathogenic ★★ same type
- LRPPRC c.1677+1G>T Likely pathogenic ★★ same type
- LRPPRC c.1678-1G>A Likely pathogenic ★★ same type
- LRPPRC c.1735+2T>C Likely pathogenic ★★ same type
- LRPPRC c.1920+1G>T Pathogenic/Likely pathogenic ★★ same type
- LRPPRC c.1965+2T>C Likely pathogenic ★★ 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/lrpprc-p-ala276 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown