Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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

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

Macromolecule Content

• Total Structure Weight: 36322.18 
• Atom Count: 2243 
• Residue Count: 304 
• Unique protein chains: 1

1OFC

nucleosome recognition module of ISWI ATPase

• DOI: 10.2210/pdb1OFC/pdb

• Classification: NUCLEAR PROTEIN
• Organism(s): Drosophila melanogaster
• Expression System: Escherichia coli BL21(DE3)


• Deposited: 2003-04-10 Released: 2003-09-05 
• Deposition Author(s): Grune, T., Muller, C.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.9 Å
• R-Value Free: 0.253 
• R-Value Work: 0.218 

Literature

Crystal Structure and Functional Analysis of a Nucleosome Recognition Module of the Remodeling Factor Iswi

Grune, T., Brzeski, J., Eberharter, A., Clapier, C.R., Corona, D.F.V., Becker, P.B., Muller, C.W.

(2003) Mol.Cell 12: 449

• PubMed: 14536084 


• PubMed Abstract: 
  

Energy-dependent nucleosome remodeling emerges as a key process endowing chromatin with dynamic properties. However, the principles by which remodeling ATPases interact with their nucleosome substrate to alter histone-DNA interactions are only poorly understood. We have identified a substrate recognition domain in the C-terminal half of the remodeling ATPase ISWI and determined its structure by X-ray crystallography. The structure comprises three domains, a four-helix domain with a novel fold and two alpha-helical domains related to the modules of c-Myb, SANT and SLIDE, which are linked by a long helix. An integrated structural and functional analysis of these domains provides insight into how ISWI interacts with the nucleosomal substrate.

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Organizational Affiliation: 

European Molecular Biology Laboratory, Grenoble Outstation, B.P. 181, F 38042 Grenoble 9, France.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
ISWI PROTEIN	X	304	Drosophila melanogaster	Mutation(s): 0  Gene Names: Iswi EC: 3.6.4.-
Find proteins for Q24368 (Drosophila melanogaster) Go to UniProtKB:  Q24368

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
GOL	X	GLYCEROL GLYCERIN; PROPANE-1,2,3-TRIOL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
GLC	X	ALPHA-D-GLUCOSE C6 H12 O6 WQZGKKKJIJFFOK-DVKNGEFBSA-N
G4D	X	4-DEOXY-ALPHA-D-GLUCOSE C6 H12 O5 HDEMQQHXNOJATE-AZGQCCRYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.9 Å
• R-Value Free: 0.253 
• R-Value Work: 0.218 
• Space Group: C 1 2 1

Unit Cell:

Length (Å)	Angle (°)
a = 109.470	α = 90.00
b = 66.340	β = 124.41
c = 82.830	γ = 90.00

Software Package:

Software Name	Purpose
XSCALE	data scaling
XDS	data reduction
REFMAC	refinement
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2003-04-10 
• Released Date: 2003-09-05 
• Deposition Author(s): Grune, T., Muller, C.W.

Revision History 

• Version 1.0: 2003-09-05
  Type: Initial release
• Version 1.1: 2011-05-08
  Type: Version format compliance
• Version 1.2: 2011-07-13
  Type: Version format compliance