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Crystal Structure of a Single-Domain Cysteine Protease Inhibitor from Cowpea (Vigna unguiculata)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 291 200mM ammonium sulphate, 20% PEG 4000
Crystal Properties Matthews coefficient Solvent content 3.13 60.67
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 41.83 α = 90 b = 64.64 β = 90 c = 87.113 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 IMAGE PLATE RIGAKU RAXIS IV++ 2011-11-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 1.95 30 98.5 0.056 0.064 16.79 3.81 17850 17574 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.95 2.07 96.6 0.35 0.407 3.42 3.47
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) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.95 27.339 1.99 17573 879 98.5 0.1742 0.173 0.174 0.1954 0.1944 29.735
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 f_dihedral_angle_d 15.566 f_angle_d 1.322 f_chiral_restr 0.079 f_bond_d 0.014 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1298 Nucleic Acid Atoms Solvent Atoms 157 Heterogen Atoms 5
Software Software Software Name Purpose d*TREK data reduction PDB_EXTRACT data extraction PHASER phasing PHENIX refinement XSCALE data scaling