3PJY

Crystal structure of a putative transcription regulator (R01717) from Sinorhizobium meliloti 1021 at 1.55 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3PJY/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Sinorhizobium meliloti
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-11-10 Released: 2010-12-22 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.190 
• R-Value Work: 0.161 
• R-Value Observed: 0.163 

Literature

Crystal structure of a putative transcription regulator (R01717) from Sinorhizobium meliloti 1021 at 1.55 A resolution

Joint Center for Structural Genomics (JCSG)

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.

Macromolecule Content

• Total Structure Weight: 31.3 kDa 
• Atom Count: 2,522 
• Modelled Residue Count: 259 
• Deposited Residue Count: 272 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical signal peptide protein	A, B	136	Sinorhizobium meliloti	Mutation(s): 0  Gene Names: R01717, SMc00288
UniProt
Find proteins for Q92PM3 (Rhizobium meliloti (strain 1021)) Explore Q92PM3  Go to UniProtKB:  Q92PM3

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], G [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	E [auth B], F [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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: 1.55 Å
• R-Value Free: 0.190 
• R-Value Work: 0.161 
• R-Value Observed: 0.163 
• Space Group: P 4₃ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/M33PJY

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.435	α = 90
b = 63.435	β = 90
c = 153.938	γ = 90

Software Package:

Software Name	Purpose
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-12-22 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2010-12-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2011-07-20
  Changes: Structure summary
• Version 1.3: 2023-02-01
  Changes: Database references, Derived calculations