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Crystal structure of Chagasin, the endogenous cysteine-protease inhibitor from Trypanosoma cruzi
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 291 protein: 15 mg/ml in 10 mM tris-Hcl, pH 7.4, 0.1 M sodium chloride. reservoir: 15% PEG 8000, 0.1M ammonium sulphate, 0.1M cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291.0K
Crystal Properties Matthews coefficient Solvent content 2.18 43.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.779 α = 90 b = 48.779 β = 90 c = 183.602 γ = 120
Symmetry Space Group P 31 1 2
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 2006-03-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON LNLS BEAMLINE D03B-MX1 1.427 LNLS D03B-MX1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.7 24.175 99.9 0.072 22.5 9.7 28099 26.29
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.7 1.79 100 0.405 4.7 10.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SIRAS THROUGHOUT 1.7 24.175 28099 26684 1414 99.85 0.20706 0.20706 0.20539 0.2022 0.23776 0.2338 RANDOM 23.814
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] 0.55 0.27 0.55 -0.82
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.2 r_dihedral_angle_3_deg 15.142 r_dihedral_angle_4_deg 8.553 r_dihedral_angle_1_deg 6.223 r_scangle_it 3.095 r_scbond_it 2.015 r_angle_refined_deg 1.468 r_mcangle_it 1.326 r_mcbond_it 0.807 r_nbtor_refined 0.32
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.2 r_dihedral_angle_3_deg 15.142 r_dihedral_angle_4_deg 8.553 r_dihedral_angle_1_deg 6.223 r_scangle_it 3.095 r_scbond_it 2.015 r_angle_refined_deg 1.468 r_mcangle_it 1.326 r_mcbond_it 0.807 r_nbtor_refined 0.32 r_nbd_refined 0.213 r_symmetry_vdw_refined 0.207 r_xyhbond_nbd_refined 0.159 r_symmetry_hbond_refined 0.14 r_chiral_restr 0.076 r_bond_refined_d 0.012 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1647 Nucleic Acid Atoms Solvent Atoms 190 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement MAR345 data collection MOSFLM data reduction CCP4 data scaling SHARP phasing