4O9I

Structure of CHD4 double chromodomains depicts cooperative folding for DNA binding

• PDB DOI: https://doi.org/10.2210/pdb4O9I/pdb

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


• Deposited: 2014-01-02 Released: 2015-07-08 
• Deposition Author(s): Wiggs, K.R., Chruszcz, M., Su, X., Minor, W., Khorasanizadeh, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.264 
• R-Value Work: 0.211 
• R-Value Observed: 0.213 

Literature

Structure of CHD4 double chromodomains depicts cooperative folding for DNA binding

Wiggs, K.R., Chruszcz, M., Su, X., Minor, W., Khorasanizadeh, S.

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: 25 kDa 
• Atom Count: 1,511 
• Modelled Residue Count: 176 
• Deposited Residue Count: 202 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chromodomain-helicase-DNA-binding protein 4	A [auth X]	202	Homo sapiens	Mutation(s): 0  Gene Names: CHD4 EC: 3.6.4.12
UniProt & NIH Common Fund Data Resources
Find proteins for Q14839 (Homo sapiens) Explore Q14839  Go to UniProtKB:  Q14839
PHAROS:  Q14839 GTEx:  ENSG00000111642

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.264 
• R-Value Work: 0.211 
• R-Value Observed: 0.213 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.211	α = 90
b = 60.475	β = 90
c = 92.988	γ = 90

Software Package:

Software Name	Purpose
MAR345	data collection
SERGUI	data collection
HKL-3000	phasing
SHELXCD	phasing
SHELXE	model building
MLPHARE	phasing
DM	model building
RESOLVE	model building
ARP/wARP	model building
CCP4	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
DM	phasing
RESOLVE	phasing
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-07-08 
Deposition Author(s): Wiggs, K.R., Chruszcz, M., Su, X., Minor, W., Khorasanizadeh, S.

Revision History  

• Version 1.0: 2015-07-08
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Refinement description
• Version 1.2: 2022-04-13
  Changes: Database references, Derived calculations, Structure summary