Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Computational Study of Human Calcitonin (hCT) Oligomer

  • Published : 2009.12.20
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Abstract

We have performed long time REMD simulation on 15-19 residues of human calcitonin hormone (DFNKF) which is known to form highly ordered amyloid fibril. The simulation started from randomly oriented multiple DFNKF strand. Using all-atom level simulations with the generalized Born solvation (GB) model (param99MOD3), we observed spontaneous formation of ${\beta}$-sheet for tetramer. Interestingly, the current simulation gives anti-parallel sheet as a major conformation, consistent with experiments. The major interaction stabilizing the anti-parallel sheet seems to be the inter-strand hydrogen bond.

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