Is SETD1B p.Pro367Leu (c.1100C>T) pathogenic?

SETD1B p.Pro367Leu (c.1100C>T) is classified Benign/Likely benign in SETD1B (ClinVar, Multiple submitters, 2 submitters; last evaluated 2026-04-01). AlphaMissense: likely benign (0.079); Rare (popmax 0.688%, nfe).

How common is SETD1B p.Pro367Leu (c.1100C>T) in the general population?

SETD1B p.Pro367Leu (c.1100C>T) is rare (popmax 0.688%, nfe) (gnomAD).

What do computational predictors say about SETD1B p.Pro367Leu (c.1100C>T)?

AlphaMissense predicts likely benign (score 0.079) — an in-silico prediction, not a clinical call.

SETD1B p.Pro367Leu

c.1100C>T · rs113279920 · VCV2643425

Benign/Likely benign Multiple submitters

Classification

Benign/Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

AlphaMissense

likely benign

0.079 · ACMG-weighted

gnomAD v4.1

Rare

rare (popmax 0.688%, nfe)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.079	likely benign
REVEL	0.277	benign-leaning
SaProt	LLR -6.53	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.4	GERP 1.6, phastCons 0.99
Regional constraint	o/e 0.98	unconstrained · MANE · 795 bp · p 0.65 · regional, not allelic
Overall
CADD	24.1	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.688% European (non-Finnish) · 7,888/1,146,936 alleles

Filtering AF 0.675% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.67%

Overall 0.583% 9,033/1,550,306 alleles · rare exomes 8,464/1,398,042 · genomes 569/152,264 · joint denominator

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.688%	145
Remaining individualsnot grpmax-eligible	0.543%	184
Finnishnot grpmax-eligible	0.399%	251
South Asian	0.365%	274
Admixed American	0.331%	302
Ashkenazi Jewishnot grpmax-eligible	0.119%	842
African / African-American	0.0943%	1,060
Middle Eastern	0.0834%	1,198
East Asian	0.00244%	40,902

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.Pro367Leu
Coding: c.1100C>T
MANE Select: NM_001353345
dbSNP: rs113279920
Type: single nucleotide variant
Location: chr12:121810045 (GRCh38)
Gene constraint: LOEUF 0.109 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 46.43 · 4 PDB
Residue 367: the 'disordered' region

Full SETD1B gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

SETD1B p.Pro367= Likely benign ★★ same residue
SETD1B p.Arg1329Ter Pathogenic ★★ same type
SETD1B p.Arg1703Ter Pathogenic/Likely pathogenic ★★ same type
SETD1B p.Arg1748Cys Pathogenic/Likely pathogenic ★★ same type
SETD1B p.Arg1792Gln Pathogenic/Likely pathogenic ★★ ⚠ same type
SETD1B p.Arg1825Trp Likely pathogenic ★★ same type
SETD1B p.Arg1902Cys Pathogenic/Likely pathogenic ★★ same type
SETD1B p.Gln780Ter Pathogenic/Likely pathogenic ★★ same type

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-pro367leu (accessed [today's date]).

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