1LG1

CRYSTAL STRUCTURE OF HUMAN CHITOTRIOSIDASE IN COMPLEX WITH CHITOBIOSE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOthernative chitotriosidase

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
110.6pH 10.6
Crystal Properties
Matthews coefficientSolvent content
2.5150.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 94.4α = 90
b = 94.4β = 90
c = 87.98γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray277IMAGE PLATE 345MARRESEARCH1999-02-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 5.2RELETTRA5.2R

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
12.783597.80.106155.410485-349
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)
12.782.8887.20.4553.44.6

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 DIFFRACTIONSTANDARDTHROUGHOUTnative chitotriosidase2.7828.0110361104298.90.2040.2040.269RANDOM48.7
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]
8.648.64-17.28
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.3
c_scangle_it5.91
c_mcangle_it4.19
c_scbond_it3.99
c_mcbond_it2.61
c_angle_deg1.3
c_improper_angle_d0.75
c_bond_d0.016
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.3
c_scangle_it5.91
c_mcangle_it4.19
c_scbond_it3.99
c_mcbond_it2.61
c_angle_deg1.3
c_improper_angle_d0.75
c_bond_d0.016
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2864
Nucleic Acid Atoms
Solvent Atoms17
Heterogen Atoms29

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing