Journal
BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS
Volume 1527, Issue 3, Pages 102-111Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-4165(01)00153-2
Keywords
legume lectins; protein stability; DSC; quaternary structure; subunit interaction; evolution of lectin oligomerization
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Legume lectins family of proteins, despite having the same 'jelly roll' tertiary structural fold at monomeric level, exhibit considerable variation in their quaternary structure arising out of small changes in their sequence. Nevertheless, their folding behavior and stability correlates very well with their patterns of assembly into dimers and tetramers. A conservation of their fold during evolution, its wide distribution in many protein families together with the availability of structural information on them make them interesting as proteins to explore the effect of inter- versus intra-subunit interactions in the stability of multimeric proteins. Additionally, as 'natural mutants' of quaternary association, proteins of legume lectin family provide interesting paradigms for studies addressing the effect of subunit oligomerization on the stability, folding and function as well as the evolution of multimeric structures. (C) 2001 Elsevier Science B.V. All rights reserved.
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