6IDN

Crystal structure of ICChI chitinase from ipomoea carnea


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP72915mM Cobalt Chloride, 5mM Cadmium Chloride, 5mM Magnesium Chloride, 5mM Nickle Chloride, 100mM HEPES pH 7.0, 11% PEG 3350
Crystal Properties
Matthews coefficientSolvent content
2.5251.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.49α = 90
b = 59.49β = 90
c = 171.2γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210r2008-06-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM160.98401ESRFBM16

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
11.53099.90.06820.210.45024318.71
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.530.28

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 REPLACEMENTFREE R-VALUE1HVQ1.5301.3550243252199.930.1910.18930.2242Random selection26.03
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
f_dihedral_angle_d5.1128
f_angle_d0.8959
f_chiral_restr0.0574
f_bond_d0.0065
f_plane_restr0.0056
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2119
Nucleic Acid Atoms
Solvent Atoms343
Heterogen Atoms147

Software

Software
Software NamePurpose
XDSdata reduction
PHENIXrefinement
Aimlessdata scaling
Cootmodel building
PHASERphasing