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crystal structure of cathepsin a, complexed with compound 2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4AZ0 PDB ENTRY 4AZ0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 277 CATHEPSIN A WAS CRYSTALLIZED USING THE HANGING DROP METHOD: 1 UL OF PROTEIN SOLUTION, CONTAINING 6.5 MG/ML CATHEPSIN A, 25 MM TRIS-HCL (PH 8.0) AND 300 MM NACL, WAS MIXED WITH 1 UL RESERVOIR SOLUTION, CONTAINING 100 MM NAACETATE (PH 4.5), 18-20% PEG400 AND 100 MM CDCL2, AND SET TO EQUILIBRATE AT 4DEG.C. ROD-SHAPED CRYSTALS APPEARED IN ABOUT ONE WEEK.
Crystal Properties Matthews coefficient Solvent content 2.42 49.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 89.649 α = 90 b = 102.527 β = 100.94 c = 49.395 γ = 90
Symmetry Space Group C 1 2 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 CCD ADSC CCD 2007-08-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 ESRF ID14-1
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 1.89 66.74 99.9 0.08 14.12 3.8 35026 -3 20.2
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 1.89 1.94 100 0.35 3.76 3.8
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-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 THROUGHOUT PDB ENTRY 4AZ0 1.89 44.02 33271 1752 99.98 0.14484 0.14141 0.1411 0.21073 0.2112 RANDOM 18.551
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] -0.05 -0.09 0.05 -0.03
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.911 r_dihedral_angle_4_deg 14.224 r_dihedral_angle_3_deg 12.274 r_dihedral_angle_1_deg 5.755 r_scangle_it 3.105 r_scbond_it 2.052 r_angle_refined_deg 1.409 r_mcangle_it 1.3 r_mcbond_it 0.803 r_nbtor_refined 0.312
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.911 r_dihedral_angle_4_deg 14.224 r_dihedral_angle_3_deg 12.274 r_dihedral_angle_1_deg 5.755 r_scangle_it 3.105 r_scbond_it 2.052 r_angle_refined_deg 1.409 r_mcangle_it 1.3 r_mcbond_it 0.803 r_nbtor_refined 0.312 r_nbd_refined 0.207 r_symmetry_hbond_refined 0.202 r_xyhbond_nbd_refined 0.19 r_symmetry_vdw_refined 0.181 r_chiral_restr 0.097 r_bond_refined_d 0.013 r_symmetry_metal_ion_refined 0.011 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_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3292 Nucleic Acid Atoms Solvent Atoms 908 Heterogen Atoms 75
Software Software Software Name Purpose REFMAC refinement XDS data reduction XSCALE data scaling PHASER phasing