Is SATB2 p.Ala50= (c.150C>G) pathogenic?

SATB2 p.Ala50= (c.150C>G) is classified Likely benign in SATB2 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-10-15). Ultra-rare (popmax 0.0218%, mid); Associated with chromosome 2q32-q33 deletion syndrome.

What condition is associated with SATB2 p.Ala50= (c.150C>G)?

SATB2 p.Ala50= (c.150C>G) is associated with chromosome 2q32-q33 deletion syndrome (ClinVar).

How common is SATB2 p.Ala50= (c.150C>G) in the general population?

SATB2 p.Ala50= (c.150C>G) is ultra-rare (popmax 0.0218%, mid) (gnomAD).

SATB2 p.Ala50=

c.150C>G · rs778660613 · VCV1518155

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

ultra-rare (popmax 0.0218%, mid)

Conditions

chromosome 2q32-q33 deletion syndrome

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
Conservation	phyloP -0.52	GERP -3.7, phastCons 0.005
Overall
CADD	8.49	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0218% Middle Eastern · 1/4,596 alleles

Filtering AF 0.00327% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00294%

Overall 0.00364% 56/1,537,394 alleles · ultra-rare exomes 53/1,385,192 · genomes 3/152,202 · joint denominator

Ancestry group	Frequency	1 in
Middle Easterngrpmax	0.0218%	4,596
Remaining individualsnot grpmax-eligible	0.00501%	19,971
European (non-Finnish)	0.00427%	23,430
Admixed American	0.0039%	25,668
South Asian	0.00119%	84,076

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: SATB2
Protein: p.Ala50=
Coding: c.150C>G
MANE Select: NM_001172509
dbSNP: rs778660613
Type: single nucleotide variant
Location: chr2:199455888 (GRCh38)
Gene constraint: LOEUF 0.077 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 66.87 · 3 PDB

Full SATB2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

chromosome 2q32-q33 deletion syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

SATB2 p.Ala50Ser Benign ★ same residue
SATB2 c.1174-2A>G Pathogenic ★★ same condition
SATB2 c.474-2A>G Pathogenic ★★ same condition
SATB2 c.597+1G>A Pathogenic/Likely pathogenic ★★ same condition
SATB2 c.700+1G>A Likely pathogenic ★★ same condition
SATB2 p.Arg239Ter Pathogenic ★★ same condition
SATB2 p.Arg283Ter Pathogenic ★★ same condition
SATB2 p.Arg389Cys Pathogenic/Likely 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/satb2-p-ala50 (accessed [today's date]).

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