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  • Title: Interaction and structural study of kinin peptide bradykinin and ganglioside monosialylated 1 micelle.
    Author: Chatterjee C, Mukhopadhyay C.
    Journal: Biopolymers; 2005 Jul; 78(4):197-205. PubMed ID: 15815977.
    Abstract:
    Partitioning of small proteins and peptides from the aqueous to membrane phase is often coupled with folding. In this work we examine the binding and folding of the kinin peptide, bradykinin (BK), in the presence of the ganglioside monosialylated 1 (GM1) micelle. Using two-dimensional NMR techniques, we have shown that at low concentration, GM1 micelle is able to induce a turn conformation to BK. A pulsed-field gradient diffusion NMR study indicated that the peptide partitions into the GM1 micelle with a DeltaG(part) of -3.14 +/- 0.03 kcal/mol. A saturation transfer difference (STD) NMR study indicated that the binding is mostly through hydrophobic residues.
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