1HKJ

Crystal structure of human chitinase in complex with methylallosamidin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.525 % PEG 550 MME 0.01 M ZNSO4, 0.1 M MES PH 6.5
Crystal Properties
Matthew coefficientSolvent content
2.549

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.99α = 90
b = 93.99β = 90
c = 87.086γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray113CCDMARRESEARCH2002-08-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X11EMBL/DESY, HAMBURGX11

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
12.62599.90.09411.44.45465053.4
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)
12.62.691000.6452.54.3

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 REPLACEMENTTHROUGHOUTPDB ENTRY 1GUV2.622.371247824599.90.2110.2110.258RANDOM45.3
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]
7.467.46-14.92
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.2
c_scangle_it3.4
c_mcangle_it2.57
c_scbond_it2.28
c_angle_deg1.6
c_mcbond_it1.55
c_improper_angle_d0.98
c_bond_d0.011
c_angle_deg_prot
c_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.2
c_scangle_it3.4
c_mcangle_it2.57
c_scbond_it2.28
c_angle_deg1.6
c_mcbond_it1.55
c_improper_angle_d0.98
c_bond_d0.011
c_angle_deg_prot
c_bond_d_na
c_angle_d
c_dihedral_angle_d_prot
c_angle_d_na
c_improper_angle_d_na
c_improper_angle_d_prot
c_angle_d_prot
c_bond_d_prot
c_angle_deg_na
c_dihedral_angle_d_na
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2877
Nucleic Acid Atoms
Solvent Atoms46
Heterogen Atoms44

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing