1FI0

SOLUTION STRUCTURE OF HIV-1 VPR (13-33) PEPTIDE IN MICELLS


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 160 
  • Conformers Submitted: 22 
  • Selection Criteria: structures with the least restraint violations, structures with the lowest energy 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Solution structure of human immunodeficiency virus type 1 Vpr(13-33) peptide in micelles.

Engler, A.Stangler, T.Willbold, D.

(2001) Eur.J.Biochem. 268: 389-395


  • PubMed Abstract: 
  • Human immunodeficiency virus type 1 protein R (HIV-1 Vpr) promotes nuclear entry of viral nucleic acids in nondividing cells, causes G2 cell cycle arrest and is involved in cellular differentiation and cell death. Also, Vpr subcellular localization i ...

    Human immunodeficiency virus type 1 protein R (HIV-1 Vpr) promotes nuclear entry of viral nucleic acids in nondividing cells, causes G2 cell cycle arrest and is involved in cellular differentiation and cell death. Also, Vpr subcellular localization is as variable as its functions. It is known that, consistent with its role in nuclear transport, Vpr localizes to the nuclear envelope of human cells. Further, a reported ion channel activity of Vpr obviously is dependent on its localization in or at membranes. We focused our structural studies on the secondary structure of a peptide consisting of residues 13-33 of HIV-1 Vpr in micelles. Employing nuclear magnetic resonance and circular dichroism spectroscopy we found this part of Vpr, known to be essential for nuclear localization, to be almost completely alpha helical. Our results provide structural data suggesting residues 13-33 of Vpr to form an amphipathic, leucine-zipper-like alpha helix that serves as a basis for interactions with a variety of viral and cellular factors.


    Organizational Affiliation

    Lehrstuhl für Biopolymere, Universität Bayreuth, Germany.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
VPR PROTEIN
A
22Human immunodeficiency virus type 1 group M subtype BGene Names: vpr
Find proteins for P05954 (Human immunodeficiency virus type 1 group M subtype B)
Go to UniProtKB:  P05954
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
ACE
Query on ACE
A
NON-POLYMERC2 H4 O

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Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 160 
  • Conformers Submitted: 22 
  • Selection Criteria: structures with the least restraint violations, structures with the lowest energy 
  • Olderado: 1FI0 Olderado

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2001-02-28
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance