APOB p.Gln140=
c.420G>A · rs758439614 · VCV544119
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00333%, amr)
Conditions
4
Cardiovascular phenotype
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 -2.2 | GERP -3.5 |
| Overall | ||
| CADD | 3.419 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00333%
Admixed American · 2/60,030 alleles
Filtering AF
0.000553%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000207%
Overall
0.000137%
2/1,461,874 alleles · very rare
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
- APOB
- Protein
- p.Gln140=
- Coding
- c.420G>A
- MANE Select
- NM_000384
- dbSNP
- rs758439614
- Type
- single nucleotide variant
- Location
- chr2:21038075 (GRCh38)
- Gene constraint
- LOEUF 0.537 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
- Residue 140
- the vitellogenin domain
Similar variants
- APOB c.1830-1G>A Pathogenic ★★ same condition
- APOB c.2604+1G>A Likely pathogenic ★★ same condition
- APOB c.537+1G>T Pathogenic/Likely pathogenic ★★ same condition
- APOB p.Arg1333Ter Pathogenic ★★ same condition
- APOB p.Arg2012Ter Pathogenic ★★ same condition
- APOB p.Arg2085Ter Pathogenic/Likely pathogenic ★★ same condition
- APOB p.Arg2513Ter Pathogenic ★★ same condition
- APOB p.Arg2520Ter Pathogenic/Likely pathogenic ★★ same condition
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/apob-p-gln140 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown