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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 12
BKCSDE 30(12)
December 20, 2009 

Computational Study of Human Calcitonin (hCT) Oligomer
Youngshang Pak, Jungho Shin, Soonmin Jang*
Molecular dynamics simulation, Computational chemistry, Human calcitonin (hCT), Amyloid
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 β-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.
3006 - 3010
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