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In molecular biology, SWI/SNF (SWItch/Sucrose Non-Fermentable), [1] [2] is a subfamily of ATP-dependent chromatin remodeling complexes, which is found in eukaryotes.In other words, it is a group of proteins that associate to remodel the way DNA is packaged.
Since the original observation of SMARCB1 mutations in rhabdoid tumors, several more subunits of the human SWI/SNF chromatin remodeling complex have been found mutated in a wide range of neoplasms. [26] The SWI/SNF ATPase BRG1 (or SMARCA4) is the most frequently mutated chromatin remodeling ATPase in cancer. [27]
20588 Ensembl ENSG00000173473 ENSMUSG00000032481 UniProt Q92922 Q58EY4 P97496 RefSeq (mRNA) NM_003074 NM_009211 RefSeq (protein) NP_003065 NP_003065.3 NP_033237 Location (UCSC) Chr 3: 47.59 – 47.78 Mb Chr 9: 109.95 – 110.07 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse SWI/SNF complex subunit SMARCC1 is a protein that in humans is encoded by the SMARCC1 gene. Function The ...
There are four subfamilies of chromatin remodelers: SWI/SNF, INO80, ISW1, and CHD. [2] The RSC complex is a 15-subunit chromatin remodeling complex initially found in Saccharomyces cerevisiae, and is homologous to the SWI/SNF complex found in humans. [1] The RSC complex has ATPase activity in the presence of DNA. [1]
ARID1A is a member of the SWI/SNF family, whose members have helicase and ATPase activities and are thought to regulate transcription of certain genes by altering the chromatin structure around those genes. The encoded protein is part of the large ATP-dependent chromatin remodelling complex SWI/SNF, which is required for transcriptional ...
Mutually exclusive incorporation of the variants into the larger SWI/SNF complex are thought to direct the complex to remodel particular sites in chromatin, leading to alterations in gene activity that dictate cell behavior or differentiation during development and disease. [8]
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily D member 1 is a protein that in humans is encoded by the SMARCD1 gene. [5] [6] [7] [8]The protein encoded by this gene is a member of the SWI/SNF family of proteins, whose members display helicase and ATPase activities and which are thought to regulate transcription of certain genes by altering the chromatin ...
The encoded protein is part of the large ATP-dependent chromatin remodeling complex SWI/SNF, which is required for transcriptional activation of genes normally repressed by chromatin. In addition, this protein can bind BRCA1 , as well as regulate the expression of the tumorigenic protein CD44 .