☰ Navigation Tabs
Molecular Recognition of Chymotrypsin by the Serine Protease Inhibitor Ecotin from Yersinia pestis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4CHA PDB ENTRIES 4CHA AND 1ECZ experimental model PDB 1ECZ PDB ENTRIES 4CHA AND 1ECZ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.5 RESERVOIR SOLUTION - 100 MM BIS TRIS PH 5.5, 200 MM AMMONIUM SULPHATE, 17.5% PEG3350. PROTEIN SOLUTION - 3 MG/ML ECOTIN, 6 MG/ML CHYMOTRYPSIN IN 5MM TRIS PH 7.5. DROP - 1:1 VOLUME RATIO RESERVOIR:PROTEIN.
Crystal Properties Matthews coefficient Solvent content 2.17 43.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.31 α = 90 b = 48.278 β = 103.96 c = 174.636 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 CCD ADSC CCD MIRRORS 2010-01-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I03 Diamond I03
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 2.74 169.48 97.5 0.08 13.27 3.2 42247 54.6
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 2.74 2.84 96.9 0.21 5.51 3.2
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 ENTRIES 4CHA AND 1ECZ 2.74 169.48 39088 2080 97.31 0.24741 0.24386 0.2405 0.31444 0.3075 RANDOM 35.89
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] -1.97 0.12 1.83 0.2
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.506 r_dihedral_angle_3_deg 15.948 r_dihedral_angle_4_deg 15.026 r_dihedral_angle_1_deg 5.413 r_angle_refined_deg 0.952 r_scangle_it 0.927 r_mcangle_it 0.562 r_scbond_it 0.521 r_mcbond_it 0.303 r_chiral_restr 0.06
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.506 r_dihedral_angle_3_deg 15.948 r_dihedral_angle_4_deg 15.026 r_dihedral_angle_1_deg 5.413 r_angle_refined_deg 0.952 r_scangle_it 0.927 r_mcangle_it 0.562 r_scbond_it 0.521 r_mcbond_it 0.303 r_chiral_restr 0.06 r_bond_refined_d 0.006 r_gen_planes_refined 0.003 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined 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 11476 Nucleic Acid Atoms Solvent Atoms 33 Heterogen Atoms 20
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing