Related ArticlesNMR structure of the (1-51) N-terminal domain of the HIV-1 regulatory protein Vpr.
Eur J Biochem. 1999 Dec;266(2):359-69
Authors: Wecker K, Roques BP
The human immunodeficiency virus type 1 (HIV-1) genome encodes a highly conserved 16 kDa regulatory gene product, Vpr (viral protein of regulation, 96 amino acid residues), which is incorporated into virions, in quantities equivalent to those of the viral Gag proteins. In the infected cells, Vpr is believed to function in the early phase of HIV-1 replication, including nuclear migration of preintegration complex, transcription of the provirus genome and viral multiplication by blocking cells in the G2 phase. Vpr has a critical role in long-term AIDS disease by inducing infection in nondividing cells such as monocytes and macrophages. Mutations have suggested that the N-terminal domain of Vpr encompassing the first 40 residues could be required for nuclear localization, packaging into virions and binding of transcription factor (TFIIB, Sp1), viral proteins (p6) and cellular proteins (RIP1, UNG, karyopherins). To gain insight into the structure-function relationship of Vpr, (1-51)Vpr was synthesized and its structure analyzed by circular dichroism and two-dimensional 1H NMR in aqueous trifluoroethanol (30%) solution and refined by restrained molecular dynamics. The structure is characterized by three turns around the first three prolines, Pro5, Pro10, Pro14, followed by a long amphipathic alpha helix-turn-alpha helix (Asp17-Ile46) motif ended by a turn extending from Tyr47 to Thr49. The alpha helix-turn-alpha helix motif and the amphipathic helix are well known for being implicated in protein-protein or protein-nucleic acid interaction. Therefore structural characteristics of the (1-51) N-terminal fragment of Vpr could explain why this region of Vpr plays a role in several biological functions of this protein.
[NMR paper] Solution NMR structure of the C-terminal domain of the human protein DEK.
Solution NMR structure of the C-terminal domain of the human protein DEK.
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Protein Sci. 2004 Aug;13(8):2252-9
Authors: Devany M, Kotharu NP, Matsuo H
The chromatin-associated protein DEK was first identified as a fusion protein in patients with a subtype of acute myelogenous leukemia. It has since become associated with diverse human ailments ranging from cancers to autoimmune diseases. Despite much research effort, the biochemical basis for these...
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[NMR paper] NMR structure of the HIV-1 regulatory protein VPR.
NMR structure of the HIV-1 regulatory protein VPR.
Related Articles NMR structure of the HIV-1 regulatory protein VPR.
J Mol Biol. 2003 Mar 14;327(1):215-27
Authors: Morellet N, Bouaziz S, Petitjean P, Roques BP
The human immunodeficiency virus type 1 (HIV-1) genome encodes a highly conserved regulatory gene product, Vpr (96 residues, 14kDa), which is incorporated into virions. In the infected cells, Vpr, expressed late in the virus cycle, is believed to function in the early phases of HIV-1 replication, such as nuclear migration of...
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[NMR paper] NMR structure of the HIV-1 regulatory protein Vpr in H2O/trifluoroethanol. Comparison
NMR structure of the HIV-1 regulatory protein Vpr in H2O/trifluoroethanol. Comparison with the Vpr N-terminal (1-51) and C-terminal (52-96) domains.
Related Articles NMR structure of the HIV-1 regulatory protein Vpr in H2O/trifluoroethanol. Comparison with the Vpr N-terminal (1-51) and C-terminal (52-96) domains.
Eur J Biochem. 2002 Aug;269(15):3779-88
Authors: Wecker K, Morellet N, Bouaziz S, Roques BP
The human immunodeficiency virus type 1, HIV-1, genome encodes a highly conserved regulatory gene product, Vpr (96 amino acids), which is...
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11-24-2010 08:58 PM
[NMR paper] The N-terminal domain of the human Rad51 protein binds DNA: structure and a DNA bindi
The N-terminal domain of the human Rad51 protein binds DNA: structure and a DNA binding surface as revealed by NMR.
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J Mol Biol. 1999 Jul 9;290(2):495-504
Authors: Aihara H, Ito Y, Kurumizaka H, Yokoyama S, Shibata T
Human Rad51 protein (HsRad51) is a homolog of Escherichia coli RecA protein, and functions in DNA repair and recombination. In higher eukaryotes, Rad51 protein is essential for cell viability. The...
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[NMR paper] Structure determination of the N-terminal thioredoxin-like domain of protein disulfid
Structure determination of the N-terminal thioredoxin-like domain of protein disulfide isomerase using multidimensional heteronuclear 13C/15N NMR spectroscopy.
http://www.ncbi.nlm.nih.gov/corehtml/query/egifs/http:--pubs.acs.org-images-acspubs.jpg Related Articles Structure determination of the N-terminal thioredoxin-like domain of protein disulfide isomerase using multidimensional heteronuclear 13C/15N NMR spectroscopy.
Biochemistry. 1996 Jun 18;35(24):7684-91
Authors: Kemmink J, Darby NJ, Dijkstra K, Nilges M, Creighton TE
As a first step in...
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[NMR paper] NMR solution structure of the isolated N-terminal fragment of protein-G B1 domain. Ev
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Biochemistry. 1994 May 17;33(19):6004-14
Authors: Blanco FJ, Jiménez MA, Pineda A, Rico M, Santoro J, Nieto JL
The solution structure of the isolated N-terminal fragment of streptococcal protein-G B1 domain has been...
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[NMR paper] NMR solution structure of the isolated N-terminal fragment of protein-G B1 domain. Ev
NMR solution structure of the isolated N-terminal fragment of protein-G B1 domain. Evidence of trifluoroethanol induced native-like beta-hairpin formation.
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Biochemistry. 1994 May 17;33(19):6004-14
Authors: Blanco FJ, Jiménez MA, Pineda A, Rico M, Santoro J, Nieto JL
The solution structure of the isolated N-terminal fragment of streptococcal protein-G B1 domain has been...
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[NMR paper] NMR structure of the (52-96) C-terminal domain of the HIV-1 regulatory protein Vpr: m
NMR structure of the (52-96) C-terminal domain of the HIV-1 regulatory protein Vpr: molecular insights into its biological functions.
http://www.ncbi.nlm.nih.gov/corehtml/query/egifs/http:--linkinghub.elsevier.com-ihub-images-PubMedLink.gif Related Articles NMR structure of the (52-96) C-terminal domain of the HIV-1 regulatory protein Vpr: molecular insights into its biological functions.
J Mol Biol. 1999 Feb 5;285(5):2105-17
Authors: Schüler W, Wecker K, de Rocquigny H, Baudat Y, Sire J, Roques BP
The HIV-1 regulatory protein Vpr (96 amino...
NMR structure of the (1-51) N-terminal domain of the HIV-1 regulatory protein Vpr.
Linear Mode
