The SWIB and the MDM2 domains are homologous and share a common fold.

Bennett-Lovsey, Riccardo; Hart, Sarah E; Shirai, Hiroki; Mizuguchi, Kenji · Bioinformatics · 2002

other · Level V

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Abstract

Using a novel algorithm for protein sequence/structure analysis, we propose a probable homology between the SWIB domain (the conserved domain of the 60 kda subunit of the SWIB complex involved in chromatin remodelling) and the p53-binding domain of the MDM2 oncoprotein. The homology suggests that the SWIB domain would adopt a structure similar to that of the MDM2 domain and that these two families of proteins may share a similar functional mechanism.

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