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BUB1 p.Leu147=

c.441C>T · rs773862372 · VCV2451221

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00329%, sas)

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 0.14phastCons 0.001
Overall
CADD6.254PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00329% South Asian · 3/91,082 alleles
Filtering AF 0.000875% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000443%
Overall 0.000274% 4/1,461,786 alleles · very rare
Ancestry group Frequency 1 in
South Asiangrpmax 0.00329% 30,361
European (non-Finnish) 8.47e-05% 1,179,942

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
BUB1
Protein
p.Leu147=
Coding
c.441C>T
MANE Select
NM_004336
dbSNP
rs773862372
Type
single nucleotide variant
Location
chr2:110670550 (GRCh38)
Gene constraint
LOEUF 0.727 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 63.91 · 11 PDB
Residue 147
the bub1 n-terminal domain
Full BUB1 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/bub1-p-leu147 (accessed [today's date]).

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