3JUI

Crystal Structure of the C-terminal Domain of Human Translation Initiation Factor eIF2B epsilon Subunit

• PDB DOI: https://doi.org/10.2210/pdb3JUI/pdb

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


• Deposited: 2009-09-15 Released: 2009-10-06 
• Deposition Author(s): Wei, J., Xu, H., Zhang, C., Wang, M., Gao, F., Gong, W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.279 
• R-Value Work: 0.211 
• R-Value Observed: 0.214 

Literature

Crystal Structure of the C-terminal Domain of Human Translation Initiation Factor eIF2B epsilon Subunit

Wei, J., Xu, H., Zhang, C., Wang, M., Gao, F., Gong, W.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 21.48 kDa 
• Atom Count: 1,547 
• Modelled Residue Count: 174 
• Deposited Residue Count: 182 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Translation initiation factor eIF-2B subunit epsilon	A	182	Homo sapiens	Mutation(s): 1  Gene Names: EIF2B5, EIF2BE
UniProt & NIH Common Fund Data Resources
Find proteins for Q13144 (Homo sapiens) Explore Q13144  Go to UniProtKB:  Q13144
PHAROS:  Q13144 GTEx:  ENSG00000145191

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	B [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.279 
• R-Value Work: 0.211 
• R-Value Observed: 0.214 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.537	α = 90
b = 66.082	β = 90
c = 136.128	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-10-06 
Deposition Author(s): Wei, J., Xu, H., Zhang, C., Wang, M., Gao, F., Gong, W.

Revision History  

• Version 1.0: 2009-10-06
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2017-11-01
  Changes: Advisory, Refinement description
• Version 1.3: 2021-11-10
  Changes: Advisory, Database references, Derived calculations
• Version 1.4: 2024-11-13
  Changes: Data collection, Structure summary