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Nat Struct Mol Biol. 2004 Jul;11(7):676-7. Epub 2004 Jun 20.

Key interactions in HIV-1 maturation identified by hydrogen-deuterium exchange.

Author information

1
Department of Microbiology, University of Alabama at Birmingham, Birmingham Alabama 35294, USA.

Abstract

To characterize the intersubunit interactions underlying assembly and maturation in HIV-1, we determined the amide hydrogen exchange protection pattern of capsid protein in the immature virion and the mature virion using mass spectrometry. Alterations in protection upon maturation provide evidence for the maturation-induced formation of an interaction between the N- and C-terminal domains in half of the capsid molecules, indicating that only half of the capsid protein is assembled into the conical core.

PMID:
15208693
DOI:
10.1038/nsmb790
[Indexed for MEDLINE]

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