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High Resolution Crystal Structure Analysis Of Cruzain non-covalently Bound To A Hydroxymethyl Ketone Inhibitor (II)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1F2A PDB entry 1F2A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.8 291 0.6 - 1.0 M Sodium Citrate, pH 6.8, temperature 291K
Crystal Properties Matthews coefficient Solvent content 1.99 38.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.57 α = 90 b = 51.59 β = 116.62 c = 45.95 γ = 90
Symmetry Space Group P 1 21 1
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 MARRESEARCH 2000-06-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 0.98 SSRL BL9-1
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 1.2 30 99.1 0.03 25 3.2 42575 42575 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) 1.2 1.23 97.8 0.065 11.8 2 3912
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 1F2A 1.2 30 42575 42575 4792 0.1048 0.1033 0.093 0.1346 Random
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 s_approx_iso_adps 0.079 s_non_zero_chiral_vol 0.078 s_zero_chiral_vol 0.076 s_similar_dist 0.034 s_angle_d 0.033 s_from_restr_planes 0.0312 s_anti_bump_dis_restr 0.017 s_bond_d 0.016
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1616 Nucleic Acid Atoms Solvent Atoms 551 Heterogen Atoms 35
Software Software Software Name Purpose MAR345 data collection SCALEPACK data scaling AMoRE phasing SHELXL-97 refinement