Aliases: SA-2, SCC3B, SA2.
Relationship is the entry's genetic[].relationship_type. untyped means the entry has a genetic record for the gene but does not type it; its free-text association is shown instead.
| Disorder | Relationship | Where the gene appears |
|---|---|---|
| Acute Megakaryoblastic Leukemia | cooperating somatic |
mechanism: STAG2 Loss Enhances Immature Megakaryopoiesis in a Trisomy-21/GATA1s iPSC Model
scoped to subtype: Down Syndrome-Associated AMKL
|
| Mullegama-Klein-Martinez Syndrome | causative somatic |
mechanism: STAG2 Loss-of-Function Variation
|
| Chromosome Xq Duplication | untyped |
mechanism: Increased STAG2 Dosage and Cohesin Dysregulation
subtype: Xq25 (STAG2)
scoped to subtype: Xq25 (STAG2)
|
| Ewing Sarcoma |
untyped
Somatic Tumor Suppressor Mutation
somatic
|
mechanism: STAG2-Modified Enhancer State
discussion: (unnamed)
|
| Transitional Cell Carcinoma | untyped somatic |
Identity from HGNC (snapshot 2026-10-01). Page layers are described in the gene pages documentation.