Shamala, N. ; Nagaraj, R. ; Balaram, P. (1977) The crystal and molecular structure of the amino terminal tetrapeptide of alamethicin. a novel 310 helical Biochemical and Biophysical Research Communications, 79 (1). pp. 292-298. ISSN 0006-291X
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000629...
Related URL: http://dx.doi.org/10.1016/0006-291X(77)90094-8
Abstract
The molecular structure of N-benzyloxycarbonyl-a-aminoisobutyryl-prolyl-α-aminoisobutyryl-alanyl methyl ester (Z-Aib-Pro-Aib-Ala-OMe), the amino terminal tetrapeptide of alamethicin is reported. The molecule contains two consecutive β-turns with Aib-Pro and Pro-Aib at the corners, forming an incipient 310 helix. This constitutes the first example of an X2-Pro3 β-turn in the crystal structure of a small peptide.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Science. |
ID Code: | 23511 |
Deposited On: | 25 Nov 2010 13:13 |
Last Modified: | 16 May 2011 09:32 |
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