Bansal, M. ; Ramachandran, G. N. (1978) A theoretical study of the structures of (Gly-Pro-Leu)n and (Gly-Leu-Pro)n International Journal of Peptide and Protein Research, 11 (1). pp. 73-81. ISSN 0367-8377
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Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1399-...
Related URL: http://dx.doi.org/10.1111/j.1399-3011.1978.tb02823.x
Abstract
Theoretical conformation studies have been carried out for the polytripeptides (Gly-Pro-Leu)n and (Gly-Leu-Pro)n and the Fourier transforms of the structures have been calculated. X-ray powder patterns of these polymers had indicated that both these polymers take up coiled-coil triple-helical structures, but in the case of (Gly-Pro-Leu)n it was not clear whether the triple helix is formed by three parallel polypeptide chains or by a single chain folding back on itself (Scatturin et al 1975). Our studies show that both the polytripeptides can take up stereochemically satisfactory triple-helical structures with three parallel chains. There is also very good agreement between the calculated intensity distribution and that of the observed X-ray pattern, in each case.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Munksgaard International Publishers. |
| Keywords: | (Gly-Leu-Pro)n; (Gly-Pro-Leu)n; Polytripeptide Models for Collagen; Theoretical Conformation Studies |
| ID Code: | 34097 |
| Deposited On: | 01 Apr 2011 13:53 |
| Last Modified: | 21 Apr 2011 07:12 |
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