Vpr protein

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== Function ==
== Function ==
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'''Vpr protein''' (Vpr) or '''viral protein R''' is a 96 amino acid protein which encoded by the human Immunodeficiency virus type 1 ([[HIV-1]]). Vpr has several roles in the progression of acquired immunodeficiency syndrome ({{Wikipedia|AIDS}}) disease, including regulation the HIV-1 pre-integration complex nuclear import and virus replication in non-dividing macrophages<ref>PMID:12614620</ref>. Moreover, Vpr prevents mitosis of infect cells by blockade at G2 phase, when the viral promotor is more active<ref>PMID:28075409</ref>.
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'''Vpr protein''' (Vpr) or '''viral protein R''' is a 96 amino acid protein which encoded by the human Immunodeficiency virus type 1 ([[HIV-1]]). Vpr has several roles in the progression of acquired immunodeficiency syndrome ({{Wikipedia|AIDS}}) disease, including regulation the HIV-1 pre-integration complex ({{Wikipedia|Pre-integration_complex}}) nuclear import and virus replication in non-dividing macrophages<ref>PMID:12614620</ref>. Moreover, Vpr prevents mitosis of dividing infect cells by blockade at G2 phase, when the viral promoter is more active, and induced apoptosis of these cells in G1 and M phase<ref>PMID:28075409</ref>.
For details see [[HIV and accessory proteins]].
For details see [[HIV and accessory proteins]].

Revision as of 13:04, 3 April 2018

HIV-1 Vpr protein (cyan) complex with Human DNA damage-binding protein (grey), VPRBP (pink) and Uracyl-DNA glycosylase (yellow) (PDB code 5jk7)

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3D Structures of Vpr protein

Updated on 03-April-2018

1m8l – Vpr - NMR - HIV-1
1esx - synthetic Vpr - NMR - HIV-1
5jk7 – Vpr + DDB1 + DCAF-1 + UNG2 – X-ray solution - HIV-1
1x9v – Dimeric structure of the Vpr C-terminal domain - NMR
1vpc - C-terminal domain of Vpr - NMR - HIV-1
1fi0 - Vpr residues 13-33 in micelles - NMR - HIV-1
1bde - NMR solution of Vpr peptides connected to cell cycle arrest and nuclear provirus transfer
5b56 - Importin subunit alpha-1 + Vpr C-terminal domain - crystallographic analysis
1kzs, 1kzt, 1kzv - Vpr residues 34-51 - NMR - HIV-1
1dsj - Vpr residues 50-75 - NMR - HIV-1
1ceu - Vpr N-terminal domain - NMR - HIV-1
1dsk - Vpr residues 59-86 - NMR - HIV-1
4u1s - HLA-I + Beta-2-microglobulin + Vpr protein - X-ray diffraction


References

  1. ↑ Morellet N, Bouaziz S, Petitjean P, Roques BP. NMR structure of the HIV-1 regulatory protein VPR. J Mol Biol. 2003 Mar 14;327(1):215-27. PMID:12614620
  2. ↑ Gonzalez ME. The HIV-1 Vpr Protein: A Multifaceted Target for Therapeutic Intervention. Int J Mol Sci. 2017 Jan 10;18(1). pii: ijms18010126. doi: 10.3390/ijms18010126. PMID:28075409 doi:http://dx.doi.org/10.3390/ijms18010126

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Elia Shlush, Michal Harel

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