Crystal structure of human adenovirus at 3.5 A resolution.
Crystal structure of human adenovirus at 3.5 A resolution.
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DOI:
10.1126/science.1187292
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发表时间:
2010-08-27
期刊:
影响因子:
--
通讯作者:
Nemerow GR
中科院分区:
文献类型:
--
作者:
Reddy VS;Natchiar SK;Stewart PL;Nemerow GR
Rational development of adenovirus vectors for therapeutic gene transfer is hampered by the lack of accurate structural information. Here we report the X-ray structure at 3.5 Å resolution of the 150 megadalton adenovirus capsid containing nearly 1 million amino acids. We describe interactions between the major capsid protein (hexon) and several accessory molecules that stabilize the capsid. The virus structure also reveals an altered association between the penton base and the trimeric fiber protein, perhaps reflecting an early event in cell entry. The high-resolution structure provides a significant advance towards understanding the assembly and cell entry mechanisms of a large dsDNA virus and provides new opportunities for improving adenovirus-mediated gene transfer.
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