1UW4

The structural basis of the interaction between nonsense mediated decay factors UPF2 and UPF3


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.227 
  • R-Value Work: 0.204 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

The Structural Basis for the Interaction between Nonsense-Mediated Mrna Decay Factors Upf2 and Upf3

Kadlec, J.Izaurralde, E.Cusack, S.

(2004) Nat.Struct.Mol.Biol. 11: 330

  • DOI: 10.1038/nsmb741

  • PubMed Abstract: 
  • Nonsense-mediated mRNA decay (NMD) is a surveillance mechanism by which eukaryotic cells detect and degrade transcripts containing premature termination codons. Three 'up-frameshift' proteins, UPF1, UPF2 and UPF3, are essential for this process in or ...

    Nonsense-mediated mRNA decay (NMD) is a surveillance mechanism by which eukaryotic cells detect and degrade transcripts containing premature termination codons. Three 'up-frameshift' proteins, UPF1, UPF2 and UPF3, are essential for this process in organisms ranging from yeast to human. We present a crystal structure at a resolution of 1.95 A of the complex between the interacting domains of human UPF2 and UPF3b, which are, respectively, a MIF4G (middle portion of eIF4G) domain and an RNP domain (ribonucleoprotein-type RNA-binding domain). The protein-protein interface is mediated by highly conserved charged residues in UPF2 and UPF3b and involves the beta-sheet surface of the UPF3b RNP domain, which is generally used by these domains to bind nucleic acids. We show that the UPF3b RNP does not bind RNA, whereas the UPF2 construct and the complex do. Our results advance understanding of the molecular mechanisms underlying the NMD quality control process.


    Organizational Affiliation

    European Molecular Biology Laboratory, Grenoble Outstation, 6 rue Jules Horowitz, BP 181, F-38042 Grenoble Cedex 9, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
UPF3X
A, C
91Homo sapiensMutation(s): 0 
Gene Names: UPF3B (RENT3B, UPF3X)
Find proteins for Q9BZI7 (Homo sapiens)
Go to Gene View: UPF3B
Go to UniProtKB:  Q9BZI7
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
REGULATOR OF NONSENSE TRANSCRIPTS 2
B, D
248Homo sapiensMutation(s): 0 
Gene Names: UPF2 (KIAA1408, RENT2)
Find proteins for Q9HAU5 (Homo sapiens)
Go to Gene View: UPF2
Go to UniProtKB:  Q9HAU5
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
BME
Query on BME

Download SDF File 
Download CCD File 
B, D
BETA-MERCAPTOETHANOL
C2 H6 O S
DGVVWUTYPXICAM-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.227 
  • R-Value Work: 0.204 
  • Space Group: P 21 21 2
Unit Cell:
Length (Å)Angle (°)
a = 70.306α = 90.00
b = 100.178β = 90.00
c = 153.458γ = 90.00
Software Package:
Software NamePurpose
XDSdata reduction
XSCALEdata scaling
REFMACrefinement
SOLVE/RESOLVEphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2004-03-11
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Advisory, Version format compliance