ALPL p.Ser175=
c.525C>T · rs766504809 · VCV1124337
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00178%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | all four deltas below 0.2 · C>G here scores Δ0.45 · evaluated, not missing |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -12 | GERP -3.9 |
| Overall | ||
| CADD | 0.547 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00178%
European (non-Finnish) · 21/1,180,000 alleles
Filtering AF
0.00114%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000971%
Overall
0.00151%
22/1,461,754 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.00178% | 56,191 |
| Admixed American | 0.00167% | 60,020 |
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.Ser175=
- Coding
- c.525C>T
- MANE Select
- NM_000478
- dbSNP
- rs766504809
- Type
- single nucleotide variant
- Location
- chr1:21564093 (GRCh38)
- Gene constraint
- LOEUF 0.987 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 93.74 · 5 PDB
- Residue 175
- an α-helix; a disulfide bond
Similar variants
- ALPL p.Ser175fs Pathogenic/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-ser175 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown