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BRPF1 p.Pro126=

c.378C>T · rs370735679 · VCV749860

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0381%, nfe)

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 -11GERP -3.4
Overall
CADD0.482PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0381% European (non-Finnish) · 449/1,179,998 alleles
Filtering AF 0.0351% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0339%
Overall 0.0306% 494/1,614,054 alleles · ultra-rare exomes 461/1,461,874 · genomes 33/152,180 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.0381% 2,628
Admixed American 0.0317% 3,158
Remaining individualsnot grpmax-eligible 0.0256% 3,907
African / African-American 0.008% 12,500
Finnishnot grpmax-eligible 0.00625% 16,002

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
BRPF1
Protein
p.Pro126=
Coding
c.378C>T
MANE Select
NM_001003694
dbSNP
rs370735679
Type
single nucleotide variant
Location
chr3:9734518 (GRCh38)
Gene constraint
LOEUF 0.205 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 68.74 · 66 PDB
Residue 126
a UniProt-annotated variant site (in idddfp); the 'interaction with kat6a and kat6b' region; the 'disordered' region
Full BRPF1 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/brpf1-p-pro126 (accessed [today's date]).

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