期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 129, 期 6, 页码 1532-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja068678n
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资金
- NIGMS NIH HHS [R01 GM074756-04, R01 GM074756] Funding Source: Medline
We recently reported that beta-peptides can form discrete hetero-oligomers in aqueous solution. Here we describe the structure of such an oligomer as determined by X-ray crystallography. The structure of Zwit-1F reveals a homo-octamer of two cupped hands composed of both parallel and antiparallel 3(14)-helices. The core of the assembly is composed entirely of solvent-excluded beta(3)-homoleucine residues. The Zwit-1F assembly shares many of the physical characteristics of natural proteins.
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