2CXK | pdb_00002cxk

Crystal structure of the TIG domain of human calmodulin-binding transcription activator 1 (CAMTA1)

• PDB DOI: https://doi.org/10.2210/pdb2CXK/pdb

• Classification: TRANSCRIPTION
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2005-06-30 Released: 2005-12-30 
• Deposition Author(s): Pioszak, A.A., Murayama, K., Shirouzu, M., Yokoyama, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 
  0.259 (Depositor), 0.256 (DCC) 
• R-Value Work: 
  0.226 (Depositor), 0.223 (DCC) 
• R-Value Observed: 
  0.226 (Depositor) 

Literature

Crystal structure of the TIG domain of human calmodulin-binding transcription activator 1 (CAMTA1)

Pioszak, A.A., Murayama, K., Shirouzu, M., Yokoyama, S.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 51.3 kDa 
• Atom Count: 3,632 
• Modeled Residue Count: 427 
• Deposited Residue Count: 475 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
calmodulin binding transcription activator 1	A, B, C, D, E	95	Homo sapiens	Mutation(s): 0  Gene Names: CAMTA1
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y6Y1 (Homo sapiens) Explore Q9Y6Y1  Go to UniProtKB:  Q9Y6Y1
PHAROS:  Q9Y6Y1 GTEx:  ENSG00000171735

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	F [auth A], G [auth B], H [auth C], I [auth C], J [auth D], K [auth D]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D, E	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free:  0.259 (Depositor), 0.256 (DCC) 
• R-Value Work:  0.226 (Depositor), 0.223 (DCC) 
• R-Value Observed: 0.226 (Depositor) 

Space Group: P 4₂ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.882	α = 90
b = 88.882	β = 90
c = 107.538	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-12-30 
Deposition Author(s): Pioszak, A.A., Murayama, K., Shirouzu, M., Yokoyama, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2005-12-30
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary