1u7k

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{{STRUCTURE_1u7k| PDB=1u7k | SCENE= }}
{{STRUCTURE_1u7k| PDB=1u7k | SCENE= }}
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'''Structure of a hexameric N-terminal domain from murine leukemia virus capsid'''
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===Structure of a hexameric N-terminal domain from murine leukemia virus capsid===
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==Overview==
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Retroviruses are the aetiological agents of a range of human diseases including AIDS and T-cell leukaemias. They follow complex life cycles, which are still only partly understood at the molecular level. Maturation of newly formed retroviral particles is an essential step in production of infectious virions, and requires proteolytic cleavage of Gag polyproteins in the immature particle to form the matrix, capsid and nucleocapsid proteins present in the mature virion. Capsid proteins associate to form a dense viral core that may be spherical, cylindrical or conical depending on the genus of the virus. Nonetheless, these assemblies all appear to be composed of a lattice formed from hexagonal rings, each containing six capsid monomers. Here, we describe the X-ray structure of an individual hexagonal assembly from N-tropic murine leukaemia virus (N-MLV). The interface between capsid monomers is generally polar, consistent with weak interactions within the hexamer. Similar architectures are probably crucial for the regulation of capsid assembly and disassembly in all retroviruses. Together, these observations provide new insights into retroviral uncoating and how cellular restriction factors may interfere with viral replication.
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The line below this paragraph, {{ABSTRACT_PUBMED_15386017}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 15386017 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15386017}}
==About this Structure==
==About this Structure==
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[[Category: Taylor, I A.]]
[[Category: Taylor, I A.]]
[[Category: Capsid]]
[[Category: Capsid]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 10:51:28 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 16:20:46 2008''

Revision as of 13:20, 28 July 2008

Image:1u7k.png

Template:STRUCTURE 1u7k

Structure of a hexameric N-terminal domain from murine leukemia virus capsid

Template:ABSTRACT PUBMED 15386017

About this Structure

1U7K is a Single protein structure of sequence from Viruses. Full crystallographic information is available from OCA.

Reference

High-resolution structure of a retroviral capsid hexameric amino-terminal domain., Mortuza GB, Haire LF, Stevens A, Smerdon SJ, Stoye JP, Taylor IA, Nature. 2004 Sep 23;431(7007):481-5. PMID:15386017

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