Formation of the non-canonical BAF (ncBAF) complex

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-9933947
PubChem
R-HSA-9933947
Description
  • A non-canonical form of the BAF complex (ncBAF) was identified in mammalian cells by gradient sedimentation and by IP-mass spectrometry studies against SMARCA4 or BRD9 (Alpsoy and Dykhuizen, 2018; Gatchalian et al, 2018; Mashtalir et al, 2018; Mashtalir et al, 2020; Michel et al, 2018; reviewed in Innis and Cabot, 2020). Unlike cBAF and pBAF, ncBAF does not contain SMARCE1 or SMARCB1, nor does it contain ARID1A/ARID1B, ARID2 or any BAF45/DPF family member; ncBAF is characterized by inclusion of complex-specific subunits BIRCA or BICRAL (also known as GLTSCR1 and GLTSCR1L, respectively) and BRD9 (Alpsoy and Dykhuizen, 2018; Gatchalian et al, 2018; Mashtalir et al, 2018; Mashtalir et al, 2020; Michel et al, 2018). ncBAF localizes to CTCF binding sites and plays a role in prostate cancer, synovial sarcomas, some leukemias and and rhabdoid tumors (Michel et al, 2018; Alpsoy and Dykhuizen, 2018; Hohmann et al, 2015; reviewed in Innis and Cabot, 2020).
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International Collaboration

GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026