2J7J

Invariance of the zinc finger module: a comparison of the free structure with those in nucleic-acid complexes

• PDB DOI: https://doi.org/10.2210/pdb2J7J/pdb

• Classification: TRANSCRIPTION
• Organism(s): Xenopus laevis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2006-10-10 Released: 2007-10-09 
• Deposition Author(s): Lu, D., Klug, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 
  0.228 (Depositor) 
• R-Value Work: 
  0.217 (Depositor) 
• R-Value Observed: 
  0.218 (Depositor) 

Literature

Invariance of the Zinc Finger Module: A Comparison of the Free Structure with Those in Nucleic-Acid Complexes.

Lu, D., Klug, A.

(2007) Proteins 67: 508

• PubMed: 17335000 
• DOI: https://doi.org/10.1002/prot.21289
• Primary Citation of Related Structures:  
  2J7J

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Organizational Affiliation: 

Laboratory of Molecular Biology, Medical Research Council, Cambridge CB2 2QH, United Kingdom.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 10.35 kDa 
• Atom Count: 851 
• Modelled Residue Count: 85 
• Deposited Residue Count: 85 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TRANSCRIPTION FACTOR IIIA	A	85	Xenopus laevis	Mutation(s): 0
UniProt
Find proteins for P03001 (Xenopus laevis) Explore P03001  Go to UniProtKB:  P03001

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	B [auth A], C [auth A], D [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free:  0.228 (Depositor) 
• R-Value Work:  0.217 (Depositor) 
• R-Value Observed: 0.218 (Depositor) 

Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.954	α = 90
b = 50.954	β = 90
c = 173.431	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-10-09 
Deposition Author(s): Lu, D., Klug, A.

Revision History  

• Version 1.0: 2007-10-09
  Type: Initial release
  
• Version 1.1: 2012-10-10
  Changes: Database references, Derived calculations, Non-polymer description, Other, Version format compliance
• Version 1.2: 2024-05-08
  Changes: Data collection, Database references, Derived calculations