3MZ1

The crystal structure of a possible TRANSCRIPTION REGULATOR PROTEIN from Sinorhizobium meliloti 1021

• PDB DOI: https://doi.org/10.2210/pdb3MZ1/pdb

• Classification: transcription regulator
• Organism(s): Sinorhizobium meliloti 1021
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2010-05-11 Released: 2010-06-02 
• Deposition Author(s): Tan, K., Xu, X., Cui, H., Chin, S., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free: 
  0.224 (Depositor), 0.222 (DCC) 
• R-Value Work: 
  0.184 (Depositor), 0.184 (DCC) 
• R-Value Observed: 
  0.186 (Depositor) 

Literature

The crystal structure of a possible TRANSCRIPTION REGULATOR PROTEIN from Sinorhizobium meliloti 1021

Tan, K., Xu, X., Cui, H., Chin, S., 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)

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: 136.2 kDa 
• Atom Count: 7,104 
• Modelled Residue Count: 836 
• Deposited Residue Count: 1,200 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative transcriptional regulator	A, B, C, D	300	Sinorhizobium meliloti 1021	Mutation(s): 0  Gene Names: R00429, SMc01092
UniProt
Find proteins for Q92SG7 (Rhizobium meliloti (strain 1021)) Explore Q92SG7  Go to UniProtKB:  Q92SG7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	E [auth D]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free:  0.224 (Depositor), 0.222 (DCC) 
• R-Value Work:  0.184 (Depositor), 0.184 (DCC) 
• R-Value Observed: 0.186 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.345	α = 90
b = 83.325	β = 91.65
c = 85.067	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SHELXD	phasing
MLPHARE	phasing
DM	model building
ARP	model building
WARP	model building
HKL-3000	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-06-02 
Deposition Author(s): Tan, K., Xu, X., Cui, H., Chin, S., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

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