Involved in transcription activity regulation by chromatin remodeling. Belongs to the neural progenitors-specific chromatin remodeling complex (npBAF complex) and is required for the proliferation of neural progenitors. 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. Component of neural progenitors-specific chromatin remodeling complex (npBAF complex) composed of at least, ARID1A/BAF250A or ARID1B/BAF250B, SMARCD1/BAF60A, SMARCD3/BAF60C, SMARCA2/BRM/BAF190B, SMARCA4/BRG1/BAF190A, SMARCB1/BAF47, SMARCC1/BAF155, SMARCE1/BAF57, SMARCC2/BAF170, PHF10/BAF45A, ACTL6A/BAF53A and actin. Interacts with ACTL6A/BAF53A, SMARCA2/BRM/BAF190B, SMARCA4/BRG1/BAF190A and PBRM1/BAF180. Widely expressed. Expressed selectively in neural stem and progenitor cells (at protein level). Expressed in neural cells at 10.5-11.5 dpc. At 10.5 to 16.5 dpc, in the developing spinal cord, specifically expressed in proliferating neural progenitors of the ventricular zone. In the developing forebrain and cerebellar primordium, expression is restricted to proliferating neuroepithelial progenitors and cerebellar granule precursors. Belongs to the SAYP family. It is uncertain whether Met-1 or Met-88 is the initiator. Truncated N-terminus. Truncated N-terminus.