Oligonucleotide binding proteins: the occurrence of dimer and multimer formation

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Protein dimers and multimers are often employed by nature for DNA and RNA handling and formation of specific, high-affinity protein-oligonucleotide complexes. The repeating structure of dsDNA lends itself to recognition by multimeric protein complexes that can assemble about the helical structure. In the cases of both DNA and RNA, specific recognition of nucleotide sequences can be achieved by multidomain proteins or protein multimers. Furthermore large multimeric assemblies are utilised for the stable formation of structures such as rings and filaments. Also, the assembly of multimeric structures by interchangeable subunits can add layers of regulation and increase functional complexity. Thus there appear to be many advantages to oligonucleotide interactions that are conferred by dimerisation or multimerisation.
Original languageEnglish
Title of host publicationProtein Dimerization and Oligomerization in Biology
EditorsJ M Matthews
Place of PublicationUSA
Pages91 - 104
Number of pages14
ISBN (Print)9781461432289
Publication statusPublished - 2012

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