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Subunit: Component of SWI/SNF chromatin remodeling complexes, in some of which it can be mutually exclusive with ARID1B/BAF250B. Component of the BAF (SWI/SNF-A) complex, which includes at least actin (ACTB), ARID1A, ARID1B/BAF250, SMARCA2, SMARCA4/BRG1/BAF190A, ACTL6A/BAF53, ACTL6B/BAF53B, SMARCE1/BAF57, SMARCC1/BAF155, SMARCC2/BAF170, SMARCB1/SNF5/INI1, and one or more of SMARCD1/BAF60A, SMARCD2/BAF60B, or SMARCD3/BAF60C. In muscle cells, the BAF complex also contains DPF3. Component of the SWI/SNF-B (PBAF) complex, at least composed of SMARCA4/BRG1/BAF190A, SMARCB1/BAF47, ACTL6A/BAF53A or ACTL6B/BAF53B, SMARCE1/BAF57, SMARCD1/BAF60A, SMARCD2/BAF60B, perhaps SMARCD3/BAF60C, SMARCC1/BAF155, SMARCC2/BAF170, PB1/BAF180, ARID2/BAF200, ARID1A/BAF250A or ARID1B/BAF250B and actin. Component of the SWI/SNF Brm complex, at least composed of SMARCA2/BRM/BAF190B, SMARCB1/BAF47, ACTL6A/BAF53A or ACTL6B/BAF53B, SMARCE1/BAF57, BAF60 (one or more of SMARCD1/BAF60A, SMARCD2/BAF60B, or SMARCD3/BAF60C), SMARCC1/BAF155, SMARCC2/BAF170, ARID1A/BAF250A, SIN3A, HDAC1, HDAC2, and RBAP4. Component of the SWI/SNF complex Brg1(I), at least composed of SMARCA4/BRG1/BAF190A, SMARCB1/BAF47, ACTL6A/BAF53A or ACTL6B/BAF53B, SMARCE1/BAF57, BAF60 (one or more of SMARCD1/BAF60A, SMARCD2/BAF60B, or SMARCD3/BAF60C), SMARCC1/BAF155, SMARCC2/BAF170, ARID1A/BAF250A, SIN3A, and probably HDAC2 and RBAP4. Component of the SWI/SNF Brg1(II), at least composed of SMARCA4/BRG1/BAF190A, SMARCB1/BAF47, ACTL6A/BAF53A or ACTL6B/BAF53B, SMARCE1/BAF57, SMARCC1/BAF155, SMARCC2/BAF170, ARID1A/BAF250A and probably HDAC2 and RBAP4. Component of a SWI/SNF-like EPAFa complex, at least composed of SMARCA4/BRG1/BAF190A, SMARCB1/BAF47, ACTL6A/BAF53A, SMARCE1/BAF57, SMARCD1/BAF60A, SMARCC1/BAF155, SMARCC2/BAF170, BAF250A and MLLT1/ENL. Component of a SWI/SNF-like complex containing ARID1A/BAF250A and ARID1B/BAF250B. Interacts through its C-terminus with SMARCA2/BRM/BAF190B and SMARCA4/BRG1/BAF190A. Component of the WINAC complex, at least composed of SMARCA2, SMARCA4, SMARCB1, SMARCC1, SMARCC2, SMARCD1, SMARCE1, ACTL6A, BAZ1B/WSTF, ARID1A, SUPT16H, CHAF1A and TOP2B. Interacts with SMARCC1/BAF155. 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. Component of neuron-specific chromatin remodeling complex (nBAF 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, DPF1/BAF45B, DPF3/BAF45C, ACTL6B/BAF53B and actin (By similarity) Sequence caution: Sequence=AAF75765.1; Type=Frameshift; Positions=374; Sequence=AAG33967.1; Type=Frameshift; Positions=872, 885; Sequence=BAA23269.1; Type=Frameshift; Positions=Several; Sequence=BAA83073.1; Type=Erroneous gene model prediction; Sequence=BAA83073.1; Type=Frameshift; Positions=Several; 1 PDB 3D structure from [IMAGE] and Proteopedia [IMAGE] for ARID1A: 1RYU (3D) [IMAGE]
Tissue specificity: Highly expressed in spleen, thymus, prostate, testis, ovary, small intestine, colon, and PBL, and at a much lower level in heart, brain, placenta, lung, liver, skeletal muscle, kidney, and pancreas [IMAGE] Pathway & Disease-focused RT2 Profiler PCR Arrays
Function: UniProtKB/Swiss-Prot Summary: ARI1A_HUMAN, O14497 Function: Involved in transcriptional activation and repression of select genes by chromatin remodeling (alteration of DNA-nucleosome topology). Binds DNA non-specifically. 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 (By similarity) Gene Ontology (GO): Selected molecular function terms (see all 6): About this table GO ID Qualified GO term Evidence PubMed IDs GO:0003677 DNA binding NAS 10757798 GO:0003713 transcription coactivator activity NAS 8804307 GO:0005488 binding -- -- GO:0005515 protein binding IPI 11780067 GO:0016922 ligand-dependent nuclear receptor binding IPI 17363140 [IMAGE] Find genes that share ontologies with ARID1A About GenesLikeMe Phenotypes:
Similarity: Contains 1 ARID domain [IMAGE]
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