2ZIC

Crystal structure of Streptococcus mutans dextran glucosidase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5293100mM tris-HCl, 12% PEG6000, 200mM NaCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.652.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.72α = 90
b = 86.47β = 90
c = 104.3γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV2005-11-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU ULTRAX 181.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.23696.83289212.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1UOK2.29.99232288160595.80.1830.1830.222RANDOM15.9
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]
-1.856.56-4.71
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.8
c_angle_deg1.2
c_improper_angle_d0.77
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4373
Nucleic Acid Atoms
Solvent Atoms405
Heterogen Atoms17

Software

Software
Software NamePurpose
CNSrefinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing