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• W2897107712 endingPage "e0205267" @default.
• W2897107712 startingPage "e0205267" @default.
• W2897107712 abstract "BAF250a and BAF250b are subunits of the SWI/SNF chromatin-remodeling complex that recruit the complex to chromatin allowing transcriptional activation of several genes. Despite being the central subunits of the SWI/SNF complex, the structural and functional annotation of BAF250a/b remains poorly understood. BAF250a (nearly 2200 residues protein) harbors an N-terminal DNA binding ARID (~110 residues) and a C-terminal folded region (~250 residues) of unknown structure and function, recently annotated as BAF250_C. Using hydrophobic core analysis, fold prediction and comparative modeling, here we have defined a domain boundary and associate a β-catenin like ARM-repeat fold to the C-terminus of BAF250a that encompass BAF250_C. The N-terminal DNA-binding ARID is found in diverse domain combinations in proteins imparting unique functions. We used a comparative sequence analysis based approach to study the ARIDs from diverse domain contexts and identified conserved residue positions that are important to preserve its core structure. Supporting this, mutation of one such conserved residue valine, at position 1067, to glycine, resulted in destabilization, loss of structural integrity and DNA binding affinity of ARID. Additionally, we identified a set of conserved and surface-exposed residues unique to the ARID when it co-occurs with the ARM repeat containing BAF250_C in BAF250a. Several of these residues are found mutated in somatic cancers. We predict that these residues in BAF250a may play important roles in mediating protein-DNA and protein-protein interactions in the BAF complex." @default.
• W2897107712 created "2018-10-26" @default.
• W2897107712 creator A5041473052 @default.
• W2897107712 creator A5046650018 @default.
• W2897107712 creator A5049199871 @default.
• W2897107712 creator A5055239200 @default.
• W2897107712 date "2018-10-11" @default.
• W2897107712 modified "2023-10-16" @default.
• W2897107712 title "Domain architecture of BAF250a reveals the ARID and ARM-repeat domains with implication in function and assembly of the BAF remodeling complex" @default.
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• W2897107712 doi "https://doi.org/10.1371/journal.pone.0205267" @default.
• W2897107712 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6181354" @default.
• W2897107712 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30307988" @default.
• W2897107712 hasPublicationYear "2018" @default.
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• W2897107712 hasAuthorship W2897107712A5049199871 @default.

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