2ZZW

Crystal Structure of a Periplasmic Substrate Binding Protein in Complex with Zinc and Lactate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52930.18M zinc acetate, 0.09M MES, pH6.5, 16% PEG 8000, 10% glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2745.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.701α = 90
b = 84.986β = 90
c = 113.531γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray90CCDADSC QUANTUM 2102006-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL44B21.0000SPring-8BL44B2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.955095.40.072205.6925715.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.952.0290.20.17863.94864

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.9528.3892571463888.70.1510.1510.191RANDOM16
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]
-2.633.41-0.78
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.4
c_angle_deg1.5
c_improper_angle_d0.95
c_bond_d0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5274
Nucleic Acid Atoms
Solvent Atoms662
Heterogen Atoms14

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing