2DRQ

Crystal structure of reducing-end-xylose releasing exo-oligoxylanase D263G mutant


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.6293PEG4000, SODIUM ACETATE, GLYCEROL, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.141.44

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.206α = 90
b = 85.297β = 90
c = 86.957γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUAMTUM 4r2004-10-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-6A1.0Photon FactoryBL-6A

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
12.160.85896.20.06920.544.1233652249814.2
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)
12.12.1898.10.1288.84.12272

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB ENTRY 1WU42.144.772133521335116196.290.14480.14480.142220.19376RANDOM11.387
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]
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.257
r_dihedral_angle_3_deg14.401
r_dihedral_angle_4_deg13.476
r_dihedral_angle_1_deg5.94
r_scangle_it3.423
r_scbond_it2.28
r_mcangle_it1.411
r_angle_refined_deg1.337
r_mcbond_it0.903
r_nbtor_refined0.312
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.257
r_dihedral_angle_3_deg14.401
r_dihedral_angle_4_deg13.476
r_dihedral_angle_1_deg5.94
r_scangle_it3.423
r_scbond_it2.28
r_mcangle_it1.411
r_angle_refined_deg1.337
r_mcbond_it0.903
r_nbtor_refined0.312
r_nbd_refined0.2
r_symmetry_vdw_refined0.196
r_xyhbond_nbd_refined0.191
r_symmetry_hbond_refined0.131
r_chiral_restr0.099
r_bond_refined_d0.015
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3088
Nucleic Acid Atoms
Solvent Atoms430
Heterogen Atoms7

Software

Software
Software NamePurpose
REFMACrefinement
ADSCdata collection
HKL-2000data scaling