4CO5

Structure of PII signaling protein GlnZ from Azospirillum brasilense in complex with tartrate


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4CNYPDB ENTRY 4CNY

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52932 MM 2OG, 0.1 M HEPES PH 7.5, 0.8 M K/NA TARTRATE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K
Crystal Properties
Matthews coefficientSolvent content
3.4264.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 89.7α = 90
b = 89.7β = 90
c = 108.4γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDDYNAMICALLY BENDABLE MIRROR2008-11-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SASLSX10SA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.844.4599.90.0818.810.84157552
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.91000.424.710.72

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 4CNY1.844.451.991575178899.920.19670.19520.229
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-1.4083-1.40832.8166
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.539
f_angle_d0.938
f_chiral_restr0.071
f_bond_d0.006
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms758
Nucleic Acid Atoms
Solvent Atoms110
Heterogen Atoms10

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing