BAG3 p.Ser291=
c.873G>A · rs1387744249 · VCV2144005
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0107%, afr)
Conditions
3
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 -3.4 | GERP -4.9 |
| Overall | ||
| CADD | 0.43 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0107%
African / African-American · 8/74,902 alleles
Filtering AF
0.00528%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00381%
Overall
0.000867%
14/1,613,844 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0107% | 9,363 |
| South Asian | 0.0022% | 45,544 |
| European (non-Finnish) | 0.000339% | 295,006 |
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
- BAG3
- Protein
- p.Ser291=
- Coding
- c.873G>A
- MANE Select
- NM_004281
- dbSNP
- rs1387744249
- Type
- single nucleotide variant
- Location
- chr10:119672620 (GRCh38)
- Gene constraint
- LOEUF 0.538 · pLI 0.92 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 57.98
- Residue 291
- a modified residue (phosphoserine); the 'disordered' region
Similar variants
- BAG3 p.Ser291Leu Conflicting classifications of pathogenicity ★ ⚠ same residue
- BAG3 p.Ser291Thr Uncertain significance ★ ⚠ same residue
- BAG3 p.Arg121Ter Pathogenic/Likely pathogenic ★★ same condition
- BAG3 p.Arg123Ter Pathogenic/Likely pathogenic ★★ same condition
- BAG3 p.Arg309Ter Pathogenic ★★ same condition
- BAG3 p.Arg473Ter Pathogenic/Likely pathogenic ★★ same condition
- BAG3 p.Arg90Ter Pathogenic ★★ same condition
- BAG3 p.Gln132Ter 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/bag3-p-ser291 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown