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RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.11 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 FOR 10 DAYS IN A CHLORIDE-FREE SOLUTION OF 1.02 M
MGSO4 . 7 H2O,1.62 M ZNSO4 . 7 H2O, 0.50 M ZINC ACETATE DIHYDRATE, PH 5.11.
THE SOAKING SOLUTION WAS PERIODICALLY REPLACED.
Crystal Properties Matthews coefficient Solvent content 2.03 18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.83 α = 90 b = 54.83 β = 90 c = 109.24 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 1997-12-10 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 1.33 35.84 80 0.089 10.1 3.8 34513 1
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) 1.4 1.46 42 0.264 3
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 1.4 7.5 2.2 30374 3032 78 0.186 0.186 0.1978 0.214
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 26.4 x_angle_deg 3.7 x_improper_angle_d 0.54 x_bond_d 0.017 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 26.4 x_angle_deg 3.7 x_improper_angle_d 0.54 x_bond_d 0.017 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 3314 Nucleic Acid Atoms Solvent Atoms 633 Heterogen Atoms 25
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