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RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.21 TRYPSIN-BENZAMIDINE, P3(1) 2 1 WERE GROWN BY VAPOR DIFFUSION, AS DESCRIBED FOR
P2(1) 2(1) 2(1) (LARGE CELL) (MANGEL, ET AL., BIOCHEMISTRY 29, 8351-8357, 1990)
THE CRYSTAL WAS SOAKED IN A SOLUTION OF 0.10 M TRIS, 2.02 M MGSO4 . 7 H2O, PH
8.21, 2.0 % DMSO, SATURATED IN HEMI-BABIM OVER A PERIOD OF SEVERAL DAYS WITH
SEVERAL REPLACEMENTS OF THE SOAKING SOLUTION.
Crystal Properties Matthews coefficient Solvent content 2.03 18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.82 α = 90 b = 54.82 β = 90 c = 109.41 γ = 120
Symmetry Space Group P 31 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 IMAGE PLATE RIGAKU RAXIS IV++ MSC MIRRORS 1999-06-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.32 43.61 82.7 0.068 10.8 3.4 34963 0.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.37 1.43 35.5 0.268 1.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION DIFFERENCE FOURIER PLUS REFINEMENT X-PLOR 1.37 7.5 1.8 33504 3339 82.7 0.174 0.174 0.1879 0.193
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 Key Refinement Restraint Deviation x_dihedral_angle_d 26.5 x_angle_deg 3.8 x_improper_angle_d 0.63 x_bond_d 0.018 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 26.5 x_angle_deg 3.8 x_improper_angle_d 0.63 x_bond_d 0.018 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1629 Nucleic Acid Atoms Solvent Atoms 215 Heterogen Atoms 20
Software Software Software Name Purpose bioteX data collection bioteX data reduction X-PLOR model building Quanta model building Insight II model building X-PLOR refinement bioteX data scaling X-PLOR phasing