Biological Assembly 1  

 3D View: Structure

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 8.56 kDa 
• Atom Count: 601 
• Residue Count: 76 
• Unique protein chains: 1

2RU6

The pure alternative state of ubiquitin

• DOI: 10.2210/pdb2RU6/pdb
• BMRB: 11547

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


• Deposited: 2013-12-04 Released: 2014-02-12 
• Deposition Author(s): Kitazawa, S., Kameda, T., Kumo, A., Utsumi, M., Baxter, N., Kato, K., Williamson, M.P., Kitahara, R.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Literature

Close Identity between Alternatively Folded State N2 of Ubiquitin and the Conformation of the Protein Bound to the Ubiquitin-Activating Enzyme

Kitazawa, S., Kameda, T., Kumo, A., Yagi-Utsumi, M., Baxter, N.J., Kato, K., Williamson, M.P., Kitahara, R.

(2014) Biochemistry 53: 447-449

• PubMed: 24401037 
• DOI: 10.1021/bi401617n
• Primary Citation of Related Structures:  
  2RU6


• PubMed Abstract: 
  

We present the nuclear Overhauser effect-based structure determination of the Q41N variant of ubiquitin at 2500 bar, where the alternatively folded N2 state is 97% populated. This allows us to characterize the structure of the "pure" N2 state of ubiquitin. The N2 state shows a substantial change in the orientation of strand β5 compared to that of the normal folded N1 state, which matches the changes seen upon binding of ubiquitin to ubiquitin-activating enzyme E1. The recognition of E1 by ubiquitin is therefore best explained by conformational selection rather than induced-fit motion.

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Organizational Affiliation: 

College of Pharmaceutical Sciences, Ritsumeikan University , Noji-higashi 1-1-1, Kusatsu 525-8577, Japan.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquitin	A	76	Homo sapiens	Mutation(s): 1  Gene Names: UBC
Find proteins for P0CG48 (Homo sapiens) Explore P0CG48  Go to UniProtKB:  P0CG48
NIH Common Fund Data Resources
PHAROS:  P0CG48

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 
• OLDERADO: 2RU6 Olderado

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2013-12-04 
• Released Date: 2014-02-12 
Deposition Author(s): Kitazawa, S., Kameda, T., Kumo, A., Utsumi, M., Baxter, N., Kato, K., Williamson, M.P., Kitahara, R.

Revision History 

• Version 1.0: 2014-02-12
  Type: Initial release
  
• Version 1.1: 2014-03-05
  Changes: Structure summary