Is SETD5 p.Thr263Ser (c.787A>T) pathogenic?

SETD5 p.Thr263Ser (c.787A>T) is classified Pathogenic in SETD5 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-01-01). AlphaMissense: ambiguous (0.5053); Absent from gnomAD v4.1; Associated with intellectual disability-facial dysmorphism syndrome due to SETD5 haploinsufficiency.

How common is SETD5 p.Thr263Ser (c.787A>T) in the general population?

SETD5 p.Thr263Ser (c.787A>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about SETD5 p.Thr263Ser (c.787A>T)?

AlphaMissense predicts ambiguous (score 0.5053) — an in-silico prediction, not a clinical call.

SETD5 p.Thr263Ser

Q: What condition is associated with SETD5 p.Thr263Ser (c.787A>T)?

SETD5 p.Thr263Ser (c.787A>T) is associated with intellectual disability-facial dysmorphism syndrome due to SETD5 haploinsufficiency (ClinVar).

c.787A>T · VCV3764577

Pathogenic Single submitter

Classification

Pathogenic

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.5053 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

intellectual disability-facial dysmorphism syndrome due to SETD5 haploinsufficiency

Computational evidence

Protein change
AlphaMissense	0.5053	ambiguous
REVEL	0.337	indeterminate
SaProt	LLR -5.58	tolerated
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 11	GERP 1.6, phastCons 1
Regional constraint	o/e 0.77	unconstrained · MANE · 12 kb · p 2.7e-05 · regional, not allelic
Overall
CADD	24.7	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

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: SETD5
Protein: p.Thr263Ser
Coding: c.787A>T
MANE Select: NM_001080517
Type: single nucleotide variant
Location: chr3:9440675 (GRCh38)
Gene constraint: LOEUF 0.376 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 47.10

Full SETD5 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

intellectual disability-facial dysmorphism syndrome due to SETD5 haploinsufficiency — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

SETD5 c.1441-1G>A Pathogenic ★★ same condition
SETD5 c.1525-1G>C Pathogenic/Likely pathogenic ★★ same condition
SETD5 c.2347-7A>G Pathogenic ★★ same condition
SETD5 c.3631+1G>A Pathogenic ★★ same condition
SETD5 c.960-5C>G Pathogenic/Likely pathogenic ★★ same condition
SETD5 p.Arg1001Ter Pathogenic ★★ same condition
SETD5 p.Arg1072Ter Pathogenic/Likely pathogenic ★★ same condition
SETD5 p.Arg1121Ter Pathogenic ★★ 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/setd5-p-thr263ser (accessed [today's date]).

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