Journal of Chemistry

Journal of Chemistry / 2010 / Article

Open Access

Volume 7 |Article ID 478089 |

Ajay Kumar, "Conformational Studies of ε- CBz- L- Lysine and L- Valine Block Copolypeptides", Journal of Chemistry, vol. 7, Article ID 478089, 5 pages, 2010.

Conformational Studies of ε- CBz- L- Lysine and L- Valine Block Copolypeptides

Received22 Oct 2009
Accepted15 Dec 2009


Conformational studies of ε-CBz-L-lysine and L-valine block copoylpeptides using x- ray diffraction and CD spectra are described. The block copolypeptides contain valine block in the center and on both side of the valine are ε-CBz-L-lysine blocks. The conformation of the copolypeptides changes with increases in the chain length of ε- CBz-L- lysine blocks. When length of ε- CBZ- L- lysine blocks is 9, the block copolypeptide has exclusive beta sheet structure. With the increase in chain length of ε-CBz-L-lysine blocks from 9 to 14, the block copolypeptide shows presence of both alpha helix and beta sheet components. With further increase in chain length of ε- CBz- L- lysine blocks, the beta sheet component disappears and block copolypeptides exhibits exclusive α -helix conformation.

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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