2QV0

Crystal structure of the response regulatory domain of protein mrkE from Klebsiella pneumoniae

• PDB DOI: https://doi.org/10.2210/pdb2QV0/pdb

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


• Deposited: 2007-08-07 Released: 2007-08-28 
• Deposition Author(s): Bonanno, J.B., Freeman, J., Bain, K.T., Iizuka, I., Ozyurt, S., Smith, D., Wasserman, S., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.282 
• R-Value Work: 0.220 
• R-Value Observed: 0.223 

Literature

Crystal structure of the response regulatory domain of protein mrkE from Klebsiella pneumoniae.

Bonanno, J.B., Freeman, J., Bain, K.T., Iizuka, I., Ozyurt, S., Smith, D., Wasserman, S., Sauder, J.M., Burley, S.K., Almo, S.C.

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 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 33.05 kDa 
• Atom Count: 2,013 
• Modelled Residue Count: 244 
• Deposited Residue Count: 286 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein mrkE	A, B	143	Klebsiella pneumoniae	Mutation(s): 0  Gene Names: mrkE
UniProt
Find proteins for P21649 (Klebsiella pneumoniae) Explore P21649  Go to UniProtKB:  P21649

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.282 
• R-Value Work: 0.220 
• R-Value Observed: 0.223 
• Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.239	α = 90
b = 56.239	β = 90
c = 188.037	γ = 120

Software Package:

Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
SHELXCD	phasing
SHELXE	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-08-28 
Deposition Author(s): Bonanno, J.B., Freeman, J., Bain, K.T., Iizuka, I., Ozyurt, S., Smith, D., Wasserman, S., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2007-08-28
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-11-14
  Changes: Data collection, Structure summary
• Version 1.4: 2021-02-03
  Changes: Database references, Structure summary
• Version 1.5: 2024-02-21
  Changes: Data collection, Database references