SMARCB1 (Q12824) variants and mutations

SMARCB1 (also known as Q12824) is a human protein-coding gene encoding a SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily B member 1 protein. Within SWI/SNF complexes, it constrains oncogenic transcription and supports normal chromatin regulation. Biallelic tumor-cell inactivation is characteristic of malignant rhabdoid tumors, while germline variants predispose to rhabdoid tumors or schwannomatosis. This analysis covers 1,425 SMARCB1 variants and mutations. Of these, 38% have computational variant effect predictions. Disease context includes rhabdoid tumor predisposition syndrome 1, schwannomatosis, and SMARCB1-related schwannomatosis. Example SMARCB1 variants include M1L, M1V, and M2I.

Variant analysis overview

Variant and mutation evidence

Clinical, disease, and population context

Protein structure and variant hotspots

Data sources

Evidence in this analysis draws on EBI Proteins Variation, UniProt, gnomAD v4, EuropePMC, 3D Hotspot Analysis, Interaction Network Analysis, Protein Data Bank, AlphaFold DB, gnomAD constraint, Open Targets, ClinGen, MaveDB, LitVar.

Notable SMARCB1 variants

Examples include M1L, M1V, M2I, M2R, M2V, M3I, M3K, M3L. Listed records include available protein-change notation, database identifiers, clinical classifications, computational predictions, population evidence, experimental measurements, and disease context.