Minireview : Analysis of rape seed napin structure and potential roles of the storage protein

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Barciszewski, Jan | Szymanski, Maciej | Haertlé, Thomas

Edité par CCSD ; Springer-Verlag;Springer (Kluwer Academic Publishers) -

International audience. Structural and functional data on 2S albumins and particularly rape seed napins are reviewed and, based on the coordinates of the three-dimensional structure of napin-like albumin BnIb, are used to model different rape napins. Surprisingly, the modeled napins, despite great sequence homology, differ in tertiary arrangements of the polypeptide chains. It is proposed that these differences in 3D structures of the analyzed rape napins may reflect their functions, which may cover many other potential beneficial purposes besides simple storage.

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