3IVL

The Crystal Structure of the Inactive Peptidase Domain of a Putative Zinc Protease from Bordetella parapertussis to 2.2A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION6.529740% PEG 300, 0.1M Sodium cacodylate pH 6.5, 0.2M Calcium acetate, vapor diffusion, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
2.8256.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 108.173α = 90
b = 108.173β = 90
c = 113.995γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152009-07-14SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.9794APS19-ID

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
12.15099.60.09910.34.428929
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)
12.12.181000.724.42896

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONTHROUGHOUT2.243.3325100127399.530.2190.2160.258RANDOM16.65
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]
-0.07-0.03-0.070.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg28.865
r_dihedral_angle_4_deg20.679
r_dihedral_angle_3_deg18.877
r_dihedral_angle_1_deg5.628
r_scangle_it2.712
r_scbond_it1.84
r_angle_refined_deg1.442
r_mcangle_it0.936
r_mcbond_it0.518
r_chiral_restr0.098
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg28.865
r_dihedral_angle_4_deg20.679
r_dihedral_angle_3_deg18.877
r_dihedral_angle_1_deg5.628
r_scangle_it2.712
r_scbond_it1.84
r_angle_refined_deg1.442
r_mcangle_it0.936
r_mcbond_it0.518
r_chiral_restr0.098
r_bond_refined_d0.011
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2752
Nucleic Acid Atoms
Solvent Atoms51
Heterogen Atoms14

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
SBC-Collectdata collection
HKL-3000data reduction
HKL-3000data scaling
HKL-3000phasing
SHELXphasing
MLPHAREphasing
DMphasing
ARP/wARPmodel building
Cootmodel building