3K9O

The crystal structure of E2-25K and UBB+1 complex

• PDB DOI: https://doi.org/10.2210/pdb3K9O/pdb

• Classification: LIGASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-10-16 Released: 2010-09-08 
• Deposition Author(s): Kang, G.B., Ko, S., Song, S.M., Lee, W., Eom, S.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.233 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 

Literature

Structural Basis of E2-25K/UBB+1 Interaction for Neurotoxicity of Alzheimer Disease by Proteasome Inhibition

Kang, G.B., Ko, S., Song, S.M., Lee, W., Eom, S.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content

• Total Structure Weight: 33.31 kDa 
• Atom Count: 2,326 
• Modelled Residue Count: 273 
• Deposited Residue Count: 297 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquitin-conjugating enzyme E2 K	A	201	Homo sapiens	Mutation(s): 0  Gene Names: UBE2K, HIP2, LIG EC: 6.3.2.19
UniProt & NIH Common Fund Data Resources
Find proteins for P61086 (Homo sapiens) Explore P61086  Go to UniProtKB:  P61086
PHAROS:  P61086 GTEx:  ENSG00000078140

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquitin	B	96	Homo sapiens	Mutation(s): 0  Gene Names: UBB
UniProt & NIH Common Fund Data Resources
Find proteins for P0CG48 (Homo sapiens) Explore P0CG48  Go to UniProtKB:  P0CG48
PHAROS:  P0CG48 GTEx:  ENSG00000150991

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.233 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 102.48	α = 90
b = 50.547	β = 125.01
c = 71.323	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-09-08 
Deposition Author(s): Kang, G.B., Ko, S., Song, S.M., Lee, W., Eom, S.H.

Revision History  

• Version 1.0: 2010-09-08
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-03-20
  Changes: Data collection, Database references