PLTP c.100+4A>C
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0011%, sas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +4 | donor splice region (+4, within the first 6 intronic nt) · inside the BP7-excluded zone |
|---|---|---|
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 4 | GERP 1.1, phastCons 1 |
| Non-coding constraint | Z 0.01 | 1 kb window · o/e 1.00 · regional · uncalibrated |
| Overall | ||
| CADD | 20.8 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0011%
South Asian · 1/91,088 alleles
Overall
6.2e-05%
1/1,613,362 alleles · very rare
exomes 1/1,461,044 · genomes 0/152,318 · 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
- PLTP
- Coding
- c.100+4A>C
- MANE Select
- NM_006227
- Type
- single nucleotide variant
- Location
- chr20:45911349 (GRCh38)
- Gene constraint
- LOEUF 1.002 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 89.36
Similar variants
- PLTP p.Ala155Thr Uncertain significance ★★ ⚠ same type
- PLTP p.Ala155Val Uncertain significance ★★ ⚠ same type
- PLTP p.Arg177Cys Uncertain significance ★★ ⚠ same type
- PLTP p.Arg251Gln Uncertain significance ★★ ⚠ same type
- PLTP p.Arg372His Uncertain significance ★★ ⚠ same type
- PLTP p.Arg380Gln Uncertain significance ★★ ⚠ same type
- PLTP p.Arg391Cys Uncertain significance ★★ ⚠ same type
- PLTP p.Arg394Pro 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/pltp-c-100-plus-4a-c (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown