Search Results
Overview
| Uniprot ID | P51532 |
|---|---|
| Protein Name | SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 4 |
| Gene Name | SMARCA4 |
| Organism | Homo sapiens |
Kla Sites from experimental identification
| Position | Flanking peptide |
|---|---|
| 1024 | LLTDGSEKDKKGKGG |
| 1027 | DGSEKDKKGKGGTKT |
| 1131 | LRLDGTTKAEDRGML |
| 1237 | QAGMFDQKSSSHERR |
| 437 | LETALNAKAYKRSKR |
| 94 | DPRYNQMKGMGMRSG |
Function
ATPase involved in transcriptional activation and repression of select genes by chromatin remodeling (alteration of DNA-nucleosome topology). Component of SWI/SNF chromatin remodeling complexes that carry out key enzymatic activities, changing chromatin structure by altering DNA-histone contacts within a nucleosome in an ATP-dependent manner (PubMed:15075294, PubMed:29374058, PubMed:30339381, PubMed:32459350). Component of the CREST-BRG1 complex, a multiprotein complex that regulates promoter activation by orchestrating the calcium-dependent release of a repressor complex and the recruitment of an activator complex. In resting neurons, transcription of the c-FOS promoter is inhibited by SMARCA4-dependent recruitment of a phospho-RB1-HDAC repressor complex. Upon calcium influx, RB1 is dephosphorylated by calcineurin, which leads to release of the repressor complex. At the same time, there is increased recruitment of CREBBP to the promoter by a CREST-dependent mechanism, which leads to transcriptional activation. The CREST-BRG1 complex also binds to the NR2B promoter, and activity-dependent induction of NR2B expression involves the release of HDAC1 and recruitment of CREBBP (By similarity). 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 postmitotic 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 postmitotic 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. SMARCA4/BAF190A may promote neural stem cell self-renewal/proliferation by enhancing Notch-dependent proliferative signals, while concurrently making the neural stem cell insensitive to SHH-dependent differentiating cues (By similarity). Acts as a corepressor of ZEB1 to regulate E-cadherin transcription and is required for induction of epithelial-mesenchymal transition (EMT) by ZEB1 (PubMed:20418909). Binds via DLX1 to enhancers located in the intergenic region between DLX5 and DLX6 and this binding is stabilized by the long non-coding RNA (lncRNA) Evf2 (By similarity). Binds to RNA in a promiscuous manner (By similarity). In brown adipose tissue, involved in the regulation of thermogenic genes expression (By similarity)
Protein Sequence
Gene Ontology
| Classification | GO ID | Description |
|---|---|---|
| Cellular Component | GO:0000785 | chromatin |
| Cellular Component | GO:0005615 | extracellular space |
| Cellular Component | GO:0001650 | fibrillar center |
| Cellular Component | GO:0000776 | kinetochore |
| Cellular Component | GO:0016020 | membrane |
| Cellular Component | GO:0071565 | nBAF complex |
| Cellular Component | GO:0071564 | npBAF complex |
| Cellular Component | GO:0016363 | nuclear matrix |
| Cellular Component | GO:0005730 | nucleolus |
| Cellular Component | GO:0005654 | nucleoplasm |
| Cellular Component | GO:0005634 | nucleus |
| Cellular Component | GO:0032991 | protein-containing complex |
| Cellular Component | GO:0016514 | SWI/SNF complex |
| Molecular Function | GO:0005524 | ATP binding |
| Molecular Function | GO:0016887 | ATP hydrolysis activity |
| Molecular Function | GO:0008094 | ATP-dependent activity, acting on DNA |
| Molecular Function | GO:0140658 | ATP-dependent chromatin remodeler activity |
| Molecular Function | GO:0003682 | chromatin binding |
| Molecular Function | GO:0003677 | DNA binding |
| Molecular Function | GO:0070182 | DNA polymerase binding |
| Molecular Function | GO:0004386 | helicase activity |
| Molecular Function | GO:0042393 | histone binding |
| Molecular Function | GO:0042802 | identical protein binding |
| Molecular Function | GO:0050681 | nuclear androgen receptor binding |
| Molecular Function | GO:0140750 | nucleosome array spacer activity |
| Molecular Function | GO:0002039 | p53 binding |
| Molecular Function | GO:0003723 | RNA binding |
| Molecular Function | GO:0030957 | Tat protein binding |
| Molecular Function | GO:0003713 | transcription coactivator activity |
| Molecular Function | GO:0001221 | transcription coregulator binding |
| Molecular Function | GO:0003714 | transcription corepressor activity |
| Biological Process | GO:0006338 | chromatin remodeling |
| Biological Process | GO:0031507 | heterochromatin formation |
| Biological Process | GO:0043923 | host-mediated activation of viral transcription |
| Biological Process | GO:0060766 | negative regulation of androgen receptor signaling pathway |
| Biological Process | GO:0045596 | negative regulation of cell differentiation |
| Biological Process | GO:0030308 | negative regulation of cell growth |
| Biological Process | GO:0045892 | negative regulation of DNA-templated transcription |
| Biological Process | GO:0000122 | negative regulation of transcription by RNA polymerase II |
| Biological Process | GO:0007399 | nervous system development |
| Biological Process | GO:0003407 | neural retina development |
| Biological Process | GO:0006337 | nucleosome disassembly |
| Biological Process | GO:0045597 | positive regulation of cell differentiation |
| Biological Process | GO:0008284 | positive regulation of cell population proliferation |
| Biological Process | GO:0120162 | positive regulation of cold-induced thermogenesis |
| Biological Process | GO:0045893 | positive regulation of DNA-templated transcription |
| Biological Process | GO:2000781 | positive regulation of double-strand break repair |
| Biological Process | GO:1902661 | positive regulation of glucose mediated signaling pathway |
| Biological Process | GO:1902895 | positive regulation of miRNA transcription |
| Biological Process | GO:0045663 | positive regulation of myoblast differentiation |
| Biological Process | GO:1901798 | positive regulation of signal transduction by p53 class mediator |
| Biological Process | GO:1902459 | positive regulation of stem cell population maintenance |
| Biological Process | GO:0045582 | positive regulation of T cell differentiation |
| Biological Process | GO:0045944 | positive regulation of transcription by RNA polymerase II |
| Biological Process | GO:1901838 | positive regulation of transcription of nucleolar large rRNA by RNA polymerase I |
| Biological Process | GO:0030177 | positive regulation of Wnt signaling pathway |
| Biological Process | GO:0070316 | regulation of G0 to G1 transition |
| Biological Process | GO:2000045 | regulation of G1/S transition of mitotic cell cycle |
| Biological Process | GO:0030071 | regulation of mitotic metaphase/anaphase transition |
| Biological Process | GO:2000819 | regulation of nucleotide-excision repair |
| Biological Process | GO:0006357 | regulation of transcription by RNA polymerase II |
| Biological Process | GO:0001188 | RNA polymerase I preinitiation complex assembly |
| Biological Process | GO:0045815 | transcription initiation-coupled chromatin remodeling |
Reference
[1] He C, Zhang J, Bai X, Lu C, Zhang K. Lysine lactylation-based insight to understanding the characterization of cervical cancer.. Biochim Biophys Acta Mol Basis Dis 1870(7):167356. 2024 Oct. PMID: 39025375.
[2] Bao Q, Wan N, He Z, Cao J, Yuan W et al.. Subcellular Proteomic Mapping of Lysine Lactylation.. J Am Soc Mass Spectrom 35(12):3221-3232. 2024 Dec 4. PMID: 39569522.