Cyclodipeptides: Structure and conformation of cyclo (tyrosyl-prolyl)

PJ Milne, DW Oliver, HM Roos

Index: Milne, P. J.; Oliver, D. W.; Roos, H. M. Journal of Crystallographic and Spectroscopic Research, 1992 , vol. 22, # 6 p. 643 - 649

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Citation Number: 17

Abstract

Abstract The structure and conformation of the cyclodipeptide, cyclo (Tyrosyl-Prolyl), cyclo (Tyr-Pro) have been investigated with X-ray crystallographic and spectroscopic methods. Two conformations of cyclo (Tyr-Pro) crystallized in the space group P 2 1 2 1 2 with cell dimensions a= 11.890 (3), b= 12.057 (1), c= 18.528 (4). Both these conformations are uncommon for cyclodipeptides containing a proline residue. The tyrosyl side chains of ...

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