期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 37, 页码 13010-13013出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201602510
关键词
human adenovirus; intrinsically disordered proteins (IDP); molecular hub; NMR spectroscopy; viral proteins
资金
- European Commission [264257, 261863, 211252]
- program Science without Borders of the Brazilian Ministry of Science and Technology (CNPq)
The small-DNA human adenovirus encodes one of the most versatile molecular hubs, the E1A protein. This protein is essential for productive viral infection in human cells and a vast amount of biologically relevant data are available on its interactions with host proteins. Up to now, however, no high-resolution structural and dynamic information on E1A is available despite its important biological role. Among the different spliced variants of E1A, two are expressed at high level in the early stage of infection. These are 243 and 289 residues isoforms. Herein, we present their NMR characterization, showing that they are both highly disordered, but also demonstrate a certain heterogeneous behavior in terms of structural and dynamic properties. Furthermore, we present the characterization of the isolated domain of the longer variant, known as CR3. This study opens the way to understanding at the molecular level how E1A functions.
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