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SETD1B p.Pro815=

c.2445G>A · VCV4918961

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.025%, 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 -8GERP -2.9
Overall
CADD0.64PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.025% South Asian · 21/84,016 alleles
Filtering AF 0.0167% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0141%
Overall 0.00316% 49/1,548,638 alleles · ultra-rare exomes 44/1,396,848 · genomes 5/151,790 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.025% 4,001
Remaining individualsnot grpmax-eligible 0.0183% 5,457
East Asian 0.00245% 40,816
Admixed American 0.00196% 50,918
European (non-Finnish) 0.00131% 76,415

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
SETD1B
Protein
p.Pro815=
Coding
c.2445G>A
MANE Select
NM_001353345
Type
single nucleotide variant
Location
chr12:121814660 (GRCh38)
Gene constraint
LOEUF 0.109 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 46.43 · 4 PDB
Full SETD1B 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/setd1b-p-pro815 (accessed [today's date]).

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