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ENHANCEMENT OF CATALYTIC EFFICIENCY OF PROTEINASE K THROUGH EXPOSURE TO ANHYDROUS ORGANIC SOLVENT AT 70 DEGREES CELSIUS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2PRK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 CRYSTALLIZED BY DISSOLVING THE 10%(W/V) OF LYOPHILIZED ENZYME IN 50MM TRIS.HCL,
1MM CACL2, PH 6.5. 25 MICRO LITRE DROPS OF THIS SOLUTION WERE EQUILIBRATED IN
A MICRODIALYSIS SETUP AGAINST 1M NANO3 IN THE SAME BUFFER AT 4 DEGREE., pH 7.5
Crystal Properties Matthews coefficient Solvent content 2.18 43.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 68.32 α = 90 b = 68.32 β = 90 c = 108.37 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 285 IMAGE PLATE MARRESEARCH PIN HOLE 1998-09-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.2 15 97 0.045 0.045 40.01 5.4 12156 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.2 3 94 0.087 0.087 24.41 4.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2PRK 2.2 15 12156 97 0.168 0.231 RANDOM 17.1
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 p_angle_d 0.025 p_bond_d 0.008 p_angle_deg p_planar_d p_hb_or_metal_coord p_mcbond_it p_mcangle_it p_scbond_it p_scangle_it p_plane_restr
RMS Deviations Key Refinement Restraint Deviation p_angle_d 0.025 p_bond_d 0.008 p_angle_deg p_planar_d p_hb_or_metal_coord p_mcbond_it p_mcangle_it p_scbond_it p_scangle_it p_plane_restr p_chiral_restr p_singtor_nbd p_multtor_nbd p_xhyhbond_nbd p_xyhbond_nbd p_planar_tor p_staggered_tor p_orthonormal_tor p_transverse_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2030 Nucleic Acid Atoms Solvent Atoms 144 Heterogen Atoms 2
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing CCP4 refinement