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The three-dimensional structure of rice nonspecific lipid transfer protein (nsLTP2) has been solved for the first time. The structure of nsLTP2 was obtained using 813 distance constraints, 30 hydrogen bond constraints, and 19 dihedral angle constraints. Fifteen of the 50 random simulated annealing structures satisfied all of the constraints and possessed(More)
Vigna radiata plant defensin 1 (VrD1) is the first reported plant defensin exhibiting insecticidal activity. We report herein the nuclear magnetic resonance solution structure of VrD1 and the implication on its insecticidal activity. The root-mean-square deviation values are 0.51 +/- 0.35 and 1.23 +/- 0.29 A for backbone and all heavy atoms, respectively.(More)
A novel 7-kDa non-specific lipid transfer protein-2 (nsLTP2) has been isolated from rice (Oryza sativa) seeds. In contrast to nsLTP1s, few nsLTP2s have been purified and characterized. Complete amino acid sequence of rice nsLTP2 was determined by N-terminal Edman degradation of the intact protein as well as the peptide fragments resulted from trypsin(More)
Plant nonspecific lipid transfer proteins (nsLTPs) are small, basic proteins constituted mainly of alpha-helices and stabilized by four conserved disulfide bridges. They are characterized by the presence of a tunnel-like hydrophobic cavity, capable of transferring various lipid molecules between lipid bilayers in vitro. In this study, molecular dynamics(More)
Plant nonspecific lipid transfer protein 2 (nsLTP2) is a small (7 kDa) protein that binds lipid-like ligands. An inner hydrophobic cavity surrounded by alpha-helices is the defining structural feature of nsLTP2. Although nsLTP2 structures have been reported earlier, the detailed mechanisms of ligand binding and lipid transfer remain unclear. In this study,(More)
Plant nonspecific lipid transfer proteins (nsLTPs) are small basic proteins that transport phospholipids between membranes. On the basis of molecular mass, nsLTPs are subdivided into nsLTP1 and nsLTP2. NsLTPs are all helical proteins stabilized by four conserved disulfide bonds. The existence of an internal hydrophobic cavity, running through the molecule,(More)
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