Is SETD2 p.His991Pro (c.2972A>C) pathogenic?

SETD2 p.His991Pro (c.2972A>C) is classified Uncertain significance in SETD2 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2023-11-27). AlphaMissense: likely benign (0.092); Absent from gnomAD v4.1; Associated with Luscan-Lumish syndrome.

What condition is associated with SETD2 p.His991Pro (c.2972A>C)?

SETD2 p.His991Pro (c.2972A>C) is associated with Luscan-Lumish syndrome (ClinVar).

How common is SETD2 p.His991Pro (c.2972A>C) in the general population?

SETD2 p.His991Pro (c.2972A>C) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about SETD2 p.His991Pro (c.2972A>C)?

AlphaMissense predicts likely benign (score 0.092) — an in-silico prediction, not a clinical call.

SETD2 p.His991Pro

c.2972A>C · rs2043094258 · VCV2748257

Uncertain significance Multiple submitters

Classification

Uncertain significance

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

AlphaMissense

likely benign

0.092 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Luscan-Lumish syndrome

Computational evidence

Protein change
AlphaMissense	0.092	likely benign
REVEL	0.135	moderately benign-leaning
SaProt	LLR -5.70	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 1.8	GERP 1.2, phastCons 1
Regional constraint	o/e 1.03	unconstrained · MANE · 3,229 bp · p 0.25 · regional, not allelic
Overall
CADD	14.11	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

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

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: SETD2
Protein: p.His991Pro
Coding: c.2972A>C
MANE Select: NM_014159
dbSNP: rs2043094258
Type: single nucleotide variant
Location: chr3:47121664 (GRCh38)
Gene constraint: LOEUF 0.176 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 43.81 · 43 PDB
Residue 991: a UniProt-annotated variant site (in aml; uncertain significance; somatic mutation); a UniProt-annotated variant site (in all; uncertain significance; somatic mutation); the 'disordered' region

Full SETD2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Luscan-Lumish syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

SETD2 p.Arg1598Ter Pathogenic/Likely pathogenic ★★ same condition
SETD2 p.Arg1740Gln Pathogenic ★★ ⚠ same condition
SETD2 p.Arg1740Trp Pathogenic/Likely pathogenic ★★ same condition
SETD2 p.Ala1121Thr Uncertain significance ★★ ⚠ same condition
SETD2 p.Ala679Val Uncertain significance ★★ ⚠ same condition
SETD2 p.Arg1065Cys Uncertain significance ★★ same condition
SETD2 p.Arg329Gln Uncertain significance ★★ ⚠ same condition
SETD2 p.Arg368Gln Uncertain significance ★★ ⚠ same condition

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/setd2-p-his991pro (accessed [today's date]).

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