laboratoire de physique statistique
 
 
laboratoire de physique statistique

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2015
Repeat proteins challenge the concept of structural domains - Espada, Rocio and Gonzalo Parra, R. and Sippl, Manfred J. and Mora, Thierry and Walczak, Aleksandra M. and Ferreiro, Diego U.
BIOCHEMICAL SOCIETY TRANSACTIONS 43844-849 (2015)

Abstract : Structural domains are believed to be modules within proteins that can fold and function independently. Some proteins show tandem repetitions of apparent modular structure that do not fold independently, but rather co-operate in stabilizing structural forms that comprise several repeat-units. For many natural repeat-proteins, it has been shown that weak energetic links between repeats lead to the breakdown of co-operativity and the appearance of folding sub-domains within an apparently regular repeat array. The quasi-1D architecture of repeat-proteins is crucial in detailing how the local energetic balances can modulate the folding dynamics of these proteins, which can be related to the physiological behaviour of these ubiquitous biological systems.