NDLI: C-11 C-9 Helices In Crystals Of Alpha Beta Hybrid Peptides And Switching Structures Between Helix Types By Variation In The Alpha-Residue

Content Provider	Indian Institute of Science (IISc)
Author	Basuroy, Krishnayan Karuppiah, Vasantham Balaram, Padmanabhan
Copyright Year	2014
Abstract	Close-packed helices with mixed hydrogen bond directionality are unprecedented in the structural chemistry of alpha-polypeptides. While NMR studies in solution state provide strong evidence for the occurrence of mixed helices in (beta beta)(n) and (alpha beta)(n) sequences, limited information is currently available in crystals. The peptide structures presented show the occurrence of C-11 C-9 helices in (alpha beta)(n) peptides. Transitions between C-11 and C-11 C-9 helices are observed upon varying the alpha-amino acid residue.
File Format	PDF
Journal	PeerReviewed
Language	English
Publisher	AMER CHEMICAL SOC
Publisher Date	2014-01-01
Access Restriction	Authorized
Subject Keyword	Molecular Biophysics Unit
Content Type	Text
Resource Type	Article

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