3GY6

A comparative study on the inhibition of bovine beta-trypsin by the bis-benzamidines diminazene and pentamidine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829114.5% PEG4000, 0.1M ammonium sulfate, 0.05M Tris-HCl, 0.008M CaCl2, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
1.8633.74

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.664α = 90
b = 53.664β = 90
c = 104.159γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mmmirrors2006-09-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE D03B-MX11.428LNLSD03B-MX1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.75098.750.03956.5711200851983422
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.71.7587.90.2134.49.41704

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.746.4711986018783101399.680.179180.176680.22716RANDOM18.369
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]
-0.64-0.32-0.640.96
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.595
r_dihedral_angle_3_deg12.388
r_dihedral_angle_4_deg11.162
r_dihedral_angle_1_deg6.483
r_scangle_it3.205
r_scbond_it2.407
r_angle_refined_deg1.568
r_mcangle_it1.325
r_mcbond_it0.832
r_nbtor_refined0.317
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.595
r_dihedral_angle_3_deg12.388
r_dihedral_angle_4_deg11.162
r_dihedral_angle_1_deg6.483
r_scangle_it3.205
r_scbond_it2.407
r_angle_refined_deg1.568
r_mcangle_it1.325
r_mcbond_it0.832
r_nbtor_refined0.317
r_nbd_refined0.267
r_symmetry_vdw_refined0.253
r_symmetry_hbond_refined0.201
r_metal_ion_refined0.15
r_xyhbond_nbd_refined0.14
r_chiral_restr0.087
r_bond_refined_d0.013
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1629
Nucleic Acid Atoms
Solvent Atoms214
Heterogen Atoms43

Software

Software
Software NamePurpose
HKL-2000data collection
AMoREphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling