X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1HUCCathepsin B (PDB code 1HUC), Reference: Musil et al EMBO.J 1991, 10, 2321-2330

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.5292300 mM (NH4)2SO4, 12% PEG4000, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties
Matthews coefficientSolvent content
2.7555

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.82α = 90
b = 84.82β = 90
c = 169.72γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM1999-02-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X8CNSLSX8C

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
11.74595.40.04819.53.5521645820470.316.4
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)
11.71.7890.70.2081.57673

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTCathepsin B (PDB code 1HUC), Reference: Musil et al EMBO.J 1991, 10, 2321-23301.745128204774610184995.10.2040.215RANDOM20.7
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]
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_d24.7
c_dihedral_angle_d24.2
c_angle_deg2.5
c_scangle_it1.08
c_mcangle_it0.98
c_improper_angle_d0.71
c_scbond_it0.67
c_mcbond_it0.55
c_bond_d0.034
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4193
Nucleic Acid Atoms
Solvent Atoms428
Heterogen Atoms

Software

Software
Software NamePurpose
Adxvdata processing
SCALEPACKdata scaling
AMoREphasing
CNSrefinement