3W3E

Structure of Vigna unguiculata chitinase with regulation activity of the plant cell wall


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP9.529330mg/ml protein, 0.1M Tris HCl, 0.1M Lithium sulfate, 30% PEG6000, pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2946.22

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 40.7α = 97.7
b = 48.6β = 100.4
c = 65.2γ = 106.3
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++Platinum-coated silicon bent mirrors2002-10-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-6B1.0Photon FactoryBL-6B

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
11.555.992.10.0627633324.07

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 REPLACEMENTTHROUGHOUT1DXJ1.52066166351594.020.203860.202220.23493RANDOM18.812
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]
1.180.63-0.640.16-0.97-0.94
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.398
r_dihedral_angle_4_deg19.828
r_dihedral_angle_3_deg12.819
r_dihedral_angle_1_deg5.537
r_angle_refined_deg1.336
r_chiral_restr0.093
r_bond_refined_d0.011
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3678
Nucleic Acid Atoms
Solvent Atoms592
Heterogen Atoms

Software

Software
Software NamePurpose
CrystalCleardata collection
MOLREPphasing
REFMACrefinement
PROCESSdata reduction
PROCESSdata scaling