BUB1 p.Arg650Lys
c.1949G>A · VCV3483078
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
AlphaMissense
likely benign
0.0627 · ACMG-weighted
gnomAD v4.1
Absent
absent from gnomAD v4.1
Missense predictors
0/3 damaging
AlphaMissense, REVEL, SaProt
Computational evidence
| Protein change | ||
| AlphaMissense | 0.0627 | likely benign |
|---|---|---|
| REVEL | 0.015 | strongly benign-leaning |
| SaProt | LLR -5.74 | tolerated |
| ⇒ AlphaMissense, REVEL and SaProt all call this tolerated. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 0.5 | phastCons 0.73 |
| Regional constraint | o/e 0.90 | unconstrained · MANE · 40 kb · p 0.00043 · regional, not allelic |
| Overall | ||
| CADD | 0.924 | PHRED · no single calibrated threshold — expert panels disagree |
AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.
Population frequency
gnomAD v4.1 · exomes + genomes
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- BUB1
- Protein
- p.Arg650Lys
- Coding
- c.1949G>A
- MANE Select
- NM_004336
- Type
- single nucleotide variant
- Location
- chr2:110653451 (GRCh38)
- Gene constraint
- LOEUF 0.727 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 63.91 · 11 PDB
Similar variants
- BUB1 p.Arg650Ser Uncertain significance ★ ⚠ same residue
- BUB1 p.Arg650= Likely benign ★ same residue
- BUB1 c.1698+1G>T Uncertain significance ★★ same type
- BUB1 p.Ala281Thr Uncertain significance ★★ ⚠ same type
- BUB1 p.Ala283Thr Uncertain significance ★★ ⚠ same type
- BUB1 p.Ala499Val Uncertain significance ★★ ⚠ same type
- BUB1 p.Ala502Ser Uncertain significance ★★ ⚠ same type
- BUB1 p.Ala630Gly 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/bub1-p-arg650lys (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown