3HCY

The crystal structure of the domain of putative two-component sensor histidine kinase protein from Sinorhizobium meliloti 1021

• PDB DOI: https://doi.org/10.2210/pdb3HCY/pdb

• Classification: structural genomics, unknown function
• Organism(s): Sinorhizobium meliloti 1021
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2009-05-06 Released: 2009-05-26 
• Deposition Author(s): Zhang, R., Xu, X., Cui, H., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.260 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.207 (Depositor), 0.240 (DCC) 
• R-Value Observed: 
  0.210 (Depositor) 

Literature

The crystal structure of the domain of putative two-component sensor histidine kinase protein from Sinorhizobium meliloti 1021

Zhang, R., Xu, X., Cui, H., Savchenko, A., Edwards, A., Joachimiak, A.

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: 33.82 kDa 
• Atom Count: 2,266 
• Modelled Residue Count: 289 
• Deposited Residue Count: 302 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative two-component sensor histidine kinase protein	A, B	151	Sinorhizobium meliloti 1021	Mutation(s): 0  Gene Names: exsG, GI:16264804, RB1056, SMb20933, SM_b20933 EC: 2.7.13.3
UniProt
Find proteins for Q92UP1 (Rhizobium meliloti (strain 1021)) Explore Q92UP1  Go to UniProtKB:  Q92UP1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free:  0.260 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.207 (Depositor), 0.240 (DCC) 
• R-Value Observed: 0.210 (Depositor) 

Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.346	α = 90
b = 73.346	β = 90
c = 257.258	γ = 120

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SOLVE	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-05-26 
Deposition Author(s): Zhang, R., Xu, X., Cui, H., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2009-05-26
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.2: 2024-02-21
  Changes: Data collection, Database references