2NOG

SANT Domain Structure of Xenopus Remodeling Factor ISWI

• PDB DOI: https://doi.org/10.2210/pdb2NOG/pdb

• Classification: DNA BINDING PROTEIN
• Organism(s): Xenopus laevis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-10-25 Released: 2007-09-11 
• Deposition Author(s): Horton, J.R., Cheng, X.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.274 
• R-Value Work: 0.212 
• R-Value Observed: 0.216 

Literature

Structure of the SANT domain from the Xenopus chromatin remodeling factor ISWI

Horton, J.R., Elgar, S.J., Khan, S.I., Zhang, X., Wade, P.A., Cheng, X.

(2007) Proteins 67: 1198-1202

• PubMed: 17377988 
• DOI: https://doi.org/10.1002/prot.21352
• Primary Citation of Related Structures:  
  2NOG

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Organizational Affiliation: 

Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30322, USA.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 41.51 kDa 
• Atom Count: 2,597 
• Modelled Residue Count: 313 
• Deposited Residue Count: 346 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ISWI protein	A, B	173	Xenopus laevis	Mutation(s): 0  Gene Names: ISWI
UniProt
Find proteins for Q6DFM0 (Xenopus laevis) Explore Q6DFM0  Go to UniProtKB:  Q6DFM0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth A], D [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.274 
• R-Value Work: 0.212 
• R-Value Observed: 0.216 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 34.6	α = 90
b = 109.5	β = 94.6
c = 46.07	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-09-11 
Deposition Author(s): Horton, J.R., Cheng, X.

Revision History  

• Version 1.0: 2007-09-11
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description