ALPL p.Asp109=
c.327C>T · rs2545298658 · VCV2845749
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00266%, 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 0.19 | GERP 0.73, phastCons 0.96 |
| Overall | ||
| CADD | 8.409 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00266%
African / African-American · 2/75,062 alleles
Filtering AF
0.000442%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000166%
Overall
0.000137%
2/1,461,426 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
- ALPL
- Protein
- p.Asp109=
- Coding
- c.327C>T
- MANE Select
- NM_000478
- dbSNP
- rs2545298658
- Type
- single nucleotide variant
- Location
- chr1:21563139 (GRCh38)
- Gene constraint
- LOEUF 0.987 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 93.74 · 5 PDB
Similar variants
- ALPL p.Asp109Glu Likely pathogenic ★★ same residue
- ALPL c.1190-2A>T Pathogenic ★★ same type
- ALPL c.182-1G>A Pathogenic/Likely pathogenic ★★ same type
- ALPL c.182-2A>G Pathogenic/Likely pathogenic ★★ same type
- ALPL c.297+1G>A Pathogenic/Likely pathogenic ★★ same type
- ALPL c.298-1G>A Pathogenic ★★ same type
- ALPL c.472+1G>A Pathogenic ★★ same type
- ALPL c.62-1G>C Pathogenic/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/alpl-p-asp109 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown