3M4T | pdb_00003m4t

Crystal structure of the BTB domain from Kaiso/ZBTB33, form I

• PDB DOI: https://doi.org/10.2210/pdb3M4T/pdb

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


• Deposited: 2010-03-11 Released: 2011-04-27 
• Deposition Author(s): Stogios, P.J., Chen, L., Prive, G.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 
  0.242 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.191 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.193 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of the BTB domain from Kaiso/ZBTB33, form I

Stogios, P.J., Nielsen, T.K., Chen, L., Prive, G.G.

To be published.

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: 13.95 kDa 
• Atom Count: 990 
• Modelled Residue Count: 115 
• Deposited Residue Count: 124 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator Kaiso	A	124	Homo sapiens	Mutation(s): 0  Gene Names: KAISO, ZBTB33, ZNF348
UniProt & NIH Common Fund Data Resources
Find proteins for Q86T24 (Homo sapiens) Explore Q86T24  Go to UniProtKB:  Q86T24
PHAROS:  Q86T24 GTEx:  ENSG00000177485

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free:  0.242 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.191 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.193 (Depositor) 

Space Group: P 6₂ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 117.208	α = 90
b = 117.208	β = 90
c = 38.405	γ = 120

Software Package:

Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-04-27 
Deposition Author(s): Stogios, P.J., Chen, L., Prive, G.G.

Revision History  

• Version 1.0: 2011-04-27
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description