The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.
The Stereochemistry of Peptides Containing α-Aminoisobutyric Aci
Abstract
The introduction of alpha-aminoisobutyric acid (Aib) into peptides dramatically limits the range of accessible backbone conformations. The presence of two geminal methyl groups at C alpha sterically compels Aib residues to largely favor structures in the right- or left-handed 3(10)/alpha-helical regions (phi approximately +/- 60 +/- 20 degrees, psi approximately +/- 30 +/- 20 degrees) of the peptide conformational map. Aib residues occur extensively in microbial peptides which form transmembrane channels. This observation has stimulated considerable interest in the stereochemistry of Aib peptides. This review summarizes theoretical studies on the conformations of Aib residues and examines the available data on solid-state structures, derived from single crystal X-ray diffraction studies. Crystal structures of over three dozen Aib-containing peptides, ranging in length from 2 to 11 residues, have been reported so far which exemplify various types of beta-turns, consecutive beta-turns, and helical structures. Examples of nonhydrogen bonded and cyclic structures are also described. The crystallographic results compare well with structural studies in solution, establishing that Aib peptides can provide rigid structural models for the development of spectroscopic methods of peptide conformational analysis.
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Cites
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Cited by
Structural characteristics of .alpha.-helical peptide molecules containing Aib residues
Karle, I. L., & Balaram, P. (1990) · Biochemistry · doi:10.1021/bi00481a001 · Cited by 989
Self-citationVasudev, P. G., Chatterjee, S., Shamala, N., & Balaram, P. (2011) · Chemical Reviews · doi:10.1021/cr100100x · Cited by 329
Self-citationVass, E., Hollósi, M., Besson, F., & Buchet, R. (2003) · Chemical Reviews · doi:10.1021/cr000100n · Cited by 288
Structures of peptides from α‐amino acids methylated at the α‐carbon,
Toniolo, C., Crisma, M., Formaggio, F., Valle, C., Cavicchioni, G., Precigoux, G., Aubry, A., & Kamphuis, J. (1993) · Biopolymers · doi:10.1002/bip.360330708 · Cited by 238
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Metadata
- Authors
- Venkataram Prasad, B. V., Balaram, P., & Benedetti, E.
- Venue
- Critical Reviews in Biochemistry
- Publisher
- Informa UK Limited
- Published
- 1984-01
- Volume
- 16
- Issue
- 4
- Pages
- 307-348
- ISSN
- 0045-6411 (ISSN-L)
- 1040-8355
- OpenAlex
- W2206170546
- Cited by
- 339
- References
- 37
- FWCI
- 2.28
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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