5T46

Crystal structure of the human eIF4E-eIF4G complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.53 Å
  • R-Value Free: 0.162 
  • R-Value Work: 0.139 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The Structures of eIF4E-eIF4G Complexes Reveal an Extended Interface to Regulate Translation Initiation.

Gruner, S.Peter, D.Weber, R.Wohlbold, L.Chung, M.Y.Weichenrieder, O.Valkov, E.Igreja, C.Izaurralde, E.

(2016) Mol.Cell 64: 467-479

  • DOI: 10.1016/j.molcel.2016.09.020
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Eukaryotic initiation factor 4G (eIF4G) plays a central role in translation initiation through its interactions with the cap-binding protein eIF4E. This interaction is a major drug target for repressing translation and is naturally regulated by 4E-bi ...

    Eukaryotic initiation factor 4G (eIF4G) plays a central role in translation initiation through its interactions with the cap-binding protein eIF4E. This interaction is a major drug target for repressing translation and is naturally regulated by 4E-binding proteins (4E-BPs). 4E-BPs and eIF4G compete for binding to the eIF4E dorsal surface via a shared canonical 4E-binding motif, but also contain auxiliary eIF4E-binding sequences, which were assumed to contact non-overlapping eIF4E surfaces. However, it is unknown how metazoan eIF4G auxiliary sequences bind eIF4E. Here, we describe crystal structures of human and Drosophila melanogaster eIF4E-eIF4G complexes, which unexpectedly reveal that the eIF4G auxiliary sequences bind to the lateral surface of eIF4E, using a similar mode to that of 4E-BPs. Our studies provide a molecular model of the eIF4E-eIF4G complex, shed light on the competition mechanism of 4E-BPs, and enable the rational design of selective eIF4G inhibitors to dampen dysregulated translation in disease.


    Organizational Affiliation

    Department of Biochemistry, Max Planck Institute for Developmental Biology, Spemannstrasse 35, 72076 Tübingen, Germany.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Eukaryotic translation initiation factor 4E
A, C
220Homo sapiensMutation(s): 0 
Gene Names: EIF4E (EIF4EL1, EIF4F)
Find proteins for P06730 (Homo sapiens)
Go to Gene View: EIF4E
Go to UniProtKB:  P06730
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Eukaryotic translation initiation factor 4 gamma 1
B, D
66Homo sapiensMutation(s): 0 
Gene Names: EIF4G1 (EIF4F, EIF4G, EIF4GI)
Find proteins for Q04637 (Homo sapiens)
Go to Gene View: EIF4G1
Go to UniProtKB:  Q04637
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GOL
Query on GOL

Download SDF File 
Download CCD File 
A, C
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
MGP
Query on MGP

Download SDF File 
Download CCD File 
A, C
7-METHYL-GUANOSINE-5'-TRIPHOSPHATE
C11 H19 N5 O14 P3
DKVRNHPCAOHRSI-KQYNXXCUSA-O
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
MGPIC50: 2360 - 5720 nM (98) BINDINGDB
MGPKi: 28 nM (100) BINDINGDB
MGPKd: 10 nM (98) BINDINGDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.53 Å
  • R-Value Free: 0.162 
  • R-Value Work: 0.139 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 45.250α = 90.00
b = 70.347β = 99.37
c = 79.913γ = 90.00
Software Package:
Software NamePurpose
Aimlessdata scaling
PHASERphasing
PHENIXrefinement
XDSdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2016-10-26
    Type: Initial release
  • Version 1.1: 2016-11-02
    Type: Database references
  • Version 1.2: 2016-11-16
    Type: Database references