3W37

Sugar beet alpha-glucosidase with acarbose


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP429850mM ammonium sulfate, 50mM sodium acetate buffer, 16% PEG monomethylether 2000, 14mM acarbose, pH 4.0, vapor diffusion, hanging drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.2545.31

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.36α = 90
b = 98.2β = 90
c = 108.75γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX225HE2011-07-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU1.0000SPring-8BL41XU

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
11.743.1899.90.10311.84102030-326.145
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.71.791000.880.9712.97

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.739.527102021208699.940.15410.15360.181723.0816
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]
0.7189-0.5335-0.1855
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.137
f_angle_d1.228
f_chiral_restr0.089
f_bond_d0.008
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6583
Nucleic Acid Atoms
Solvent Atoms739
Heterogen Atoms159

Software

Software
Software NamePurpose
XSCALEdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
BSSdata collection
XDSdata reduction