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SETD1B p.Tyr136=

c.408C>T · rs374648258 · VCV3037185

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00959%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP 2.2GERP -0.47, phastCons 1
Overall
CADD11.14PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00959% European (non-Finnish) · 110/1,146,998 alleles
Filtering AF 0.00813% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00757%
Overall 0.00735% 114/1,551,554 alleles · very rare exomes 111/1,399,416 · genomes 3/152,138 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.00959% 10,427
Remaining individualsnot grpmax-eligible 0.00333% 30,048
African / African-American 0.00274% 36,512

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.Tyr136=
Coding
c.408C>T
MANE Select
NM_001353345
dbSNP
rs374648258
Type
single nucleotide variant
Location
chr12:121805969 (GRCh38)
Gene constraint
LOEUF 0.109 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 46.43 · 4 PDB
Residue 136
the rrm domain; a β-strand
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-tyr136 (accessed [today's date]).

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