3MIZ

Crystal structure of a putative transcriptional regulator protein, Lacl family from Rhizobium etli

• PDB DOI: https://doi.org/10.2210/pdb3MIZ/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Rhizobium etli CFN 42
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-04-12 Released: 2010-04-21 
• Deposition Author(s): Palani, K., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.91 Å
• R-Value Free: 0.276 
• R-Value Work: 0.238 
• R-Value Observed: 0.238 

Literature

Crystal structure of a putative transcriptional regulator protein, Lacl family from Rhizobium etli

Palani, K., Burley, S.K., Swaminathan, 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)

Macromolecule Content

• Total Structure Weight: 68.15 kDa 
• Atom Count: 4,578 
• Modelled Residue Count: 562 
• Deposited Residue Count: 602 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative transcriptional regulator protein, LacI family	A, B	301	Rhizobium etli CFN 42	Mutation(s): 0  Gene Names: RHE_PE00360
UniProt
Find proteins for Q2K0Z9 (Rhizobium etli (strain ATCC 51251 / DSM 11541 / JCM 21823 / NBRC 15573 / CFN 42)) Explore Q2K0Z9  Go to UniProtKB:  Q2K0Z9

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.91 Å
• R-Value Free: 0.276 
• R-Value Work: 0.238 
• R-Value Observed: 0.238 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.508	α = 90
b = 71.912	β = 90
c = 212.375	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing
SHARP	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-04-21 
Deposition Author(s): Palani, K., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2010-04-21
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2021-02-10
  Changes: Database references, Derived calculations, Structure summary
• Version 1.3: 2024-11-06
  Changes: Data collection, Database references, Structure summary