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Crystal Structure of Cruzain in complex with the non-covalent inhibitor Nequimed176
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3KKU PDB ENTRY 3KKU
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 9 290 0.1M Bicine pH 9.0, 1.6M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 290.0K
Crystal Properties Matthews coefficient Solvent content 3.46 64.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 138.72 α = 90 b = 138.72 β = 90 c = 163.58 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 80 CCD ADSC QUANTUM 315r 2012-07-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.11587 ALS 8.3.1
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 2.62 39.23 99.5 0.026 0.037 48550 48282 5 2.5 50.4
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 2.62 2.71 98.4 0.335 2.1
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 3KKU 2.62 39.226 1.34 48550 48258 1954 99.45 0.1919 0.1919 0.1899 0.1949 0.2389 0.2421 RAMDOM 33.8321
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 13.885 f_angle_d 1.076 f_chiral_restr 0.047 f_bond_d 0.008 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7960 Nucleic Acid Atoms Solvent Atoms 109 Heterogen Atoms 54
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction ELVES refinement