A Striking Periodicity of the  cis / trans  Isomerization of Proline Imide Bonds in Cyclic Disulfide‐Bridged Peptides | Zendy

Shi Tiesheng | Zendy; Spain Stephen M. | Zendy; Rabenstein Dallas L. | Zendy

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A Striking Periodicity of the cis / trans Isomerization of Proline Imide Bonds in Cyclic Disulfide‐Bridged Peptides

Author(s) -

Shi Tiesheng,

Spain Stephen M.,

Rabenstein Dallas L.

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200503470

Subject(s) - isomerization , imide , disulfide bond , chemistry , peptide , cyclic peptide , sequence (biology) , stereochemistry , proline , population , crystallography , amino acid , polymer chemistry , biochemistry , catalysis , demography , sociology

cis persists : The population of the cis conformation of the Cys–Pro imide bond of the cyclic disulfide form of peptides of the sequence Ac‐Cys‐Pro‐(Xaa) m ‐Cys‐NH 2 (Xaa=Phe, Ala) ranges from 9.3 to 76.9 % and shows a striking periodic dependence on the number of residues in the peptide.

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