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Crystal structure of a papaya latex serine protease inhibitor (PPI) at 1.7A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 293 1.8 M ammonium sulfate, 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties Matthews coefficient Solvent content 3.09 60.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.262 α = 90 b = 81.992 β = 90 c = 140.891 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD MAR CCD 165 mm 2005-12-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 0.8073 ESRF ID14-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.7 20 100 17.3 6.15 51816 51816
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.7 1.76 90.5
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1.7 19.682 1.34 51816 51816 2632 90.46 0.1822 0.1812 0.1669 0.1993 0.1873
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] -4.6296 19.7026 -15.073
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.591 f_angle_d 1.541 f_chiral_restr 0.092 f_bond_d 0.015 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2853 Nucleic Acid Atoms Solvent Atoms 411 Heterogen Atoms 140
Software Software Software Name Purpose MAR345 data collection PHASER phasing PHENIX refinement DENZO data reduction SCALEPACK data scaling