4E3C

X-ray crystal structure of human IKK2 in an active conformation

• PDB DOI: https://doi.org/10.2210/pdb4E3C/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2012-03-09 Released: 2013-06-19 
• Deposition Author(s): Polley, S., Huang, D.B., Hauenstein, A.V., Ghosh, G., Huxford, T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.98 Å
• R-Value Free: 0.299 
• R-Value Work: 0.267 
• R-Value Observed: 0.267 

Starting Model: experimental

Literature

X-ray crystal structure of human IKK2 in an active conformation

Polley, S., Huang, D.B., Hauenstein, A.V., Fusco, A.J., Zhong, X., Vu, D., Hoffmann, A., Verma, I.V., Ghosh, G., Huaford, T.

(2013) PLoS Biol 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 462.98 kDa 
• Atom Count: 30,416 
• Modelled Residue Count: 3,752 
• Deposited Residue Count: 4,014 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Inhibitor of nuclear factor kappa-B kinase subunit beta	A, B, C, D, E, F	669	Homo sapiens	Mutation(s): 2  Gene Names: IKBKB, IKKB EC: 2.7.11.10 (PDB Primary Data), 2.7.11.1 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for O14920 (Homo sapiens) Explore O14920  Go to UniProtKB:  O14920
PHAROS:  O14920 GTEx:  ENSG00000104365

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.98 Å
• R-Value Free: 0.299 
• R-Value Work: 0.267 
• R-Value Observed: 0.267 
• Space Group: P 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 170.81	α = 90
b = 170.81	β = 90
c = 509.56	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-06-19 
Deposition Author(s): Polley, S., Huang, D.B., Hauenstein, A.V., Ghosh, G., Huxford, T.

Revision History  

• Version 1.0: 2013-06-19
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2024-10-16
  Changes: Structure summary