PLIN1 p.Ala177=
c.531C>T · VCV4926590
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00446%, eas)
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 -5.6 | GERP -4.8 |
| Overall | ||
| CADD | 0.258 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00446%
East Asian · 2/44,880 alleles
Filtering AF
0.00111%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0009%
Overall
0.00149%
24/1,614,020 alleles · very rare
exomes 22/1,461,688 · genomes 2/152,332 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00446% | 22,440 |
| European (non-Finnish) | 0.00169% | 58,998 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,502 |
| African / African-American | 0.00133% | 75,044 |
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
- PLIN1
- Protein
- p.Ala177=
- Coding
- c.531C>T
- MANE Select
- NM_002666
- Type
- single nucleotide variant
- Location
- chr15:89670047 (GRCh38)
- Gene constraint
- LOEUF 1.201 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 54.52
Similar variants
- PLIN1 p.Ala361Glu Uncertain significance ★★ ⚠ same type
- PLIN1 p.Arg125Cys Uncertain significance ★★ ⚠ same type
- PLIN1 p.Glu151Lys Uncertain significance ★★ ⚠ same type
- PLIN1 p.Leu404Phe Uncertain significance ★★ ⚠ same type
- PLIN1 p.Leu90Pro Uncertain significance ★★ ⚠ same type
- PLIN1 p.Thr345Ala Uncertain significance ★★ ⚠ same type
- PLIN1 c.1209+9C>T Benign ★★ same type
- PLIN1 c.251-153G>T Benign ★★ 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/plin1-p-ala177 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown