3FKC

Crystal Structure of Human Zinc finger and BTB domain containing 33

• PDB DOI: https://doi.org/10.2210/pdb3FKC/pdb

• Classification: TRANSCRIPTION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2008-12-16 Released: 2008-12-23 
• Deposition Author(s): Filippakopoulos, P., Bullock, A., Keates, T., Burgess-Brown, N., Muniz, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.195 
• R-Value Work: 0.176 
• R-Value Observed: 0.177 

Literature

Crystal Structure of Human Zinc finger and BTB domain containing 33

Filippakopoulos, P., Bullock, A., Keates, T., Burgess-Brown, N., Muniz, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Knapp, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 13.07 kDa 
• Atom Count: 1,052 
• Modelled Residue Count: 113 
• Deposited Residue Count: 116 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator Kaiso	A	116	Homo sapiens	Mutation(s): 1  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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.195 
• R-Value Work: 0.176 
• R-Value Observed: 0.177 
• Space Group: P 6₂ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 118.358	α = 90
b = 118.358	β = 90
c = 38.981	γ = 120

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-12-23 
Deposition Author(s): Filippakopoulos, P., Bullock, A., Keates, T., Burgess-Brown, N., Muniz, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2008-12-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence
• Version 1.3: 2018-01-31
  Changes: Database references, Structure summary
• Version 1.4: 2021-10-20
  Changes: Database references
• Version 1.5: 2023-09-06
  Changes: Data collection, Refinement description