4J3U

Crystal structure of barley limit dextrinase in complex with maltosyl-S-betacyclodextrin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29820% PEG 3350, 0.3M NaI, vapor diffusion, hanging drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1943.77

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 195.43α = 90
b = 84.61β = 119.91
c = 121.79γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2012-03-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-21.04MAX III911-2

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
11.73099.30.07611.67188337-323.896
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)
11.71.898.50.5150.6022.63

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUT2Y4S1.729.76188323941799.540.17460.17230.2183RANDOM20.029
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]
-0.01-0.020.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.348
r_sphericity_free29.323
r_dihedral_angle_4_deg15.75
r_dihedral_angle_3_deg12.717
r_sphericity_bonded6.623
r_dihedral_angle_1_deg5.536
r_rigid_bond_restr1.802
r_angle_refined_deg1.058
r_angle_other_deg0.742
r_chiral_restr0.06
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.348
r_sphericity_free29.323
r_dihedral_angle_4_deg15.75
r_dihedral_angle_3_deg12.717
r_sphericity_bonded6.623
r_dihedral_angle_1_deg5.536
r_rigid_bond_restr1.802
r_angle_refined_deg1.058
r_angle_other_deg0.742
r_chiral_restr0.06
r_bond_refined_d0.005
r_gen_planes_refined0.004
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13465
Nucleic Acid Atoms
Solvent Atoms1612
Heterogen Atoms236

Software

Software
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
MOLREPphasing