PLAA p.Leu646=
c.1938T>C · rs1824222392 · VCV1617178
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 8.47e-05%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.135 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 1.6 | GERP -0.93, phastCons 1 |
| Overall | ||
| CADD | 5.815 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
8.47e-05%
European (non-Finnish) · 1/1,180,028 alleles
Overall
6.2e-05%
1/1,614,022 alleles · very rare
exomes 0/1,461,870 · genomes 1/152,152 · 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
- PLAA
- Protein
- p.Leu646=
- Coding
- c.1938T>C
- MANE Select
- NM_001031689
- dbSNP
- rs1824222392
- Type
- single nucleotide variant
- Location
- chr9:26905961 (GRCh38)
- Gene constraint
- LOEUF 0.678 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 84.87 · 5 PDB
- Residue 646
- the pul domain
Similar variants
- PLAA p.Leu646Arg Uncertain significance ★ ⚠ same residue
- PLAA p.Arg524Ter Likely pathogenic ★★ same type
- PLAA p.Ala156Val Uncertain significance ★★ ⚠ same type
- PLAA p.Ala264Thr Uncertain significance ★★ ⚠ same type
- PLAA p.Ala271Val Uncertain significance ★★ ⚠ same type
- PLAA p.Arg268Gln Uncertain significance ★★ ⚠ same type
- PLAA p.Arg373Thr Uncertain significance ★★ ⚠ same type
- PLAA p.Arg499Cys Uncertain significance ★★ 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/plaa-p-leu646 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown