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Transcriptional coactivator cooperating with nuclear hormone receptors to potentiate transcriptional activation. Also involved in vitamin D-coupled transcription regulation via its association with the WINAC complex, a chromatin-remodeling complex recruited by vitamin D receptor (VDR), which is required for the ligand-bound VDR-mediated transrepression of the CYP27B1 gene. Belongs to the neural progenitors-specific chromatin remodeling complex (npBAF complex) and the neuron-specific chromatin remodeling complex (nBAF complex). During neural development a switch from a stem/progenitor to a post-mitotic chromatin remodeling mechanism occurs as neurons exit the cell cycle and become committed to their adult state. The transition from proliferating neural stem/progenitor cells to post-mitotic neurons requires a switch in subunit composition of the npBAF and nBAF complexes. As neural progenitors exit mitosis and differentiate into neurons, npBAF complexes which contain ACTL6A/BAF53A and PHF10/BAF45A, are exchanged for homologous alternative ACTL6B/BAF53B and DPF1/BAF45B or DPF3/BAF45C subunits in neuron-specific complexes (nBAF). The npBAF complex is essential for the self-renewal/proliferative capacity of the multipotent neural stem cells. The nBAF complex along with CREST plays a role regulating the activity of genes essential for dendrite growth.
Gene Name: | SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily a, member 2 |
Synonyms: | SMARCA2, BAF190, BRG1-associated factor 190B, BRM, HSNF2a, HBRM, NCBRS, SNF2/SWI2-like protein 2, SNF2A, SWI2, SNF2, SNF2L2, ATP-dependent helicase SMARCA2, BAF190B, Protein brahma homolog, SNF2-alpha, SNF2LA, Sth1p |
Target Sequences: | NM_003070 NP_003061.3 P51531 |
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