Send feedback

BUB1B p.Pro299=

c.897C>A · rs374307209 · VCV1765304

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.000932%, nfe)
Conditions
1
mosaic variegated aneuploidy syndrome 1

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
ConservationphyloP -2.6GERP -4.7
Overall
CADD3.869PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000932% European (non-Finnish) · 11/1,180,044 alleles
Filtering AF 0.0005% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000366%
Overall 0.000682% 11/1,614,066 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
BUB1B
Protein
p.Pro299=
Coding
c.897C>A
MANE Select
NM_001211
dbSNP
rs374307209
Type
single nucleotide variant
Location
chr15:40185310 (GRCh38)
Gene constraint
LOEUF 0.707 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 64.62 · 9 PDB
Full BUB1B gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/bub1b-p-pro299 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown