PLPBP p.Ser148=
c.444C>T · rs531442501 · VCV1954733
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0173%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.245 | benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -0.45 | GERP -5.5, phastCons 0.15 |
| Overall | ||
| CADD | 8.613 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0173%
African / African-American · 13/75,044 alleles
Filtering AF
0.0102%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00811%
Overall
0.00149%
24/1,614,114 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0173% | 5,773 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,508 |
| South Asian | 0.0011% | 91,084 |
| European (non-Finnish) | 0.000763% | 131,109 |
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
- PLPBP
- Protein
- p.Ser148=
- Coding
- c.444C>T
- MANE Select
- NM_007198
- dbSNP
- rs531442501
- Type
- single nucleotide variant
- Location
- chr8:37772879 (GRCh38)
- Gene constraint
- LOEUF 1.049 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 89.49
- Residue 148
- a UniProt-annotated variant site (in epeo1); a UniProt-annotated variant site (in epeo1; decreased expression at the mrna level; undetectable at the protein level in patient's fibroblasts)
Similar variants
- PLPBP c.207+1G>T Pathogenic/Likely pathogenic ★★ same type
- PLPBP c.320-2A>G Pathogenic ★★ same type
- PLPBP p.Arg241Gln Pathogenic/Likely pathogenic ★★ same type
- PLPBP p.Pro87Leu Pathogenic/Likely pathogenic ★★ ⚠ same type
- PLPBP p.Ala232= Uncertain significance ★★ same type
- PLPBP p.Arg205Trp Uncertain significance ★★ ⚠ same type
- PLPBP p.Arg250Gln Uncertain significance ★★ ⚠ same type
- PLPBP p.Arg63Cys 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/plpbp-p-ser148 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown