3GY5

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


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829112% PEG8000, 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
2.1342.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.246α = 90
b = 56.976β = 90
c = 65.523γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mmmirrors2006-05-10MSINGLE 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
11.565098.350.04935.766.8290772859622
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)
1.561.675.20.2098.1761431

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 REPLACEMENTTHROUGHOUT1.5742.9912859927364117899.790.164470.163090.19656RANDOM11.942
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]
0.08-0.090.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.625
r_dihedral_angle_4_deg23.676
r_dihedral_angle_3_deg12.552
r_dihedral_angle_1_deg6.575
r_scangle_it2.682
r_scbond_it1.849
r_angle_refined_deg1.412
r_mcangle_it1.067
r_mcbond_it0.673
r_nbtor_refined0.321
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.625
r_dihedral_angle_4_deg23.676
r_dihedral_angle_3_deg12.552
r_dihedral_angle_1_deg6.575
r_scangle_it2.682
r_scbond_it1.849
r_angle_refined_deg1.412
r_mcangle_it1.067
r_mcbond_it0.673
r_nbtor_refined0.321
r_nbd_refined0.271
r_metal_ion_refined0.223
r_symmetry_vdw_refined0.206
r_symmetry_hbond_refined0.122
r_xyhbond_nbd_refined0.121
r_chiral_restr0.107
r_bond_refined_d0.011
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1629
Nucleic Acid Atoms
Solvent Atoms330
Heterogen Atoms80

Software

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