1UG3

C-terminal portion of human eIF4GI

• PDB DOI: https://doi.org/10.2210/pdb1UG3/pdb

• Classification: TRANSLATION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2003-06-11 Released: 2005-03-22 
• Deposition Author(s): Bellsolell, L., Cho-Park, P.F., Poulin, F., Sonenberg, N., Burley, S.K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.24 Å
• R-Value Free: 0.292 
• R-Value Work: 0.244 
• R-Value Observed: 0.247 

Literature

Two structurally atypical HEAT domains in the C-terminal portion of human eIF4G support binding to eIF4A and Mnk1

Bellsolell, L., Cho-Park, P.F., Poulin, F., Sonenberg, N., Burley, S.K.

(2006) Structure 14: 913-923

• PubMed: 16698542 
• DOI: https://doi.org/10.1016/j.str.2006.05.002
• Primary Citation of Related Structures:  
  1UG3

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 76.58 kDa 
• Atom Count: 5,370 
• Modelled Residue Count: 646 
• Deposited Residue Count: 678 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
eukaryotic protein synthesis initiation factor 4G	A, B	339	Homo sapiens	Mutation(s): 1
UniProt & NIH Common Fund Data Resources
Find proteins for Q04637 (Homo sapiens) Explore Q04637  Go to UniProtKB:  Q04637
PHAROS:  Q04637 GTEx:  ENSG00000114867

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.24 Å
• R-Value Free: 0.292 
• R-Value Work: 0.244 
• R-Value Observed: 0.247 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.618	α = 90
b = 50.567	β = 101.59
c = 99.895	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-03-22 
Deposition Author(s): Bellsolell, L., Cho-Park, P.F., Poulin, F., Sonenberg, N., Burley, S.K.

Revision History  

• Version 1.0: 2005-03-22
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-02-03
  Changes: Database references, Structure summary
• Version 1.4: 2021-11-10
  Changes: Database references
• Version 1.5: 2023-12-27
  Changes: Data collection