3UDB

Crystal structure of SnRK2.6

• PDB DOI: https://doi.org/10.2210/pdb3UDB/pdb

• Classification: TRANSFERASE
• Organism(s): Arabidopsis thaliana
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2011-10-27 Released: 2011-11-16 
• Deposition Author(s): Xie, T., Ren, R., Pang, Y., Yan, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.57 Å
• R-Value Free: 
  0.259 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.236 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.238 (Depositor) 

Starting Model: experimental

Literature

Molecular mechanism for the inhibition of a critical component in the Arabidopsis thaliana abscisic acid signal transduction pathways, SnRK2.6, by the protein phosphatase ABI1

Xie, T., Ren, R., Pang, Y., Yan, C.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Biological Assembly 5  

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

Biological assembly 5 assigned by authors.

Biological Assembly 6  

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

Biological assembly 6 assigned by authors.

Biological Assembly 7  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 7 generated by PISA (software)

Biological Assembly 8  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 8 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 216.09 kDa 
• Atom Count: 13,176 
• Modelled Residue Count: 1,621 
• Deposited Residue Count: 1,902 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase SRK2E	A, B, C, D, E, F	317	Arabidopsis thaliana	Mutation(s): 8  Gene Names: SNRK2.6 EC: 2.7.11.1
UniProt
Find proteins for Q940H6 (Arabidopsis thaliana) Explore Q940H6  Go to UniProtKB:  Q940H6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.57 Å
• R-Value Free:  0.259 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.236 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.238 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 228.094	α = 90
b = 98.793	β = 98.48
c = 113.103	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHASER	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-11-16 
Deposition Author(s): Xie, T., Ren, R., Pang, Y., Yan, C.

Revision History  

• Version 1.0: 2011-11-16
  Type: Initial release
  
• Version 1.1: 2023-11-01
  Changes: Data collection, Database references, Refinement description