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The crystal structure of Bovine Trypsin complexed with a small inhibition peptide ORB2K
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SFI PDB ENTRY 1SFI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 289 0.5MCaCl2, 0.5M (NH4)2SO4, 0.1M HEPEs-Na, 25% PEG 4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties Matthews coefficient Solvent content 2.02 38.99
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.016 α = 90 b = 63.451 β = 90 c = 69.684 γ = 90
Symmetry Space Group P 21 21 21
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 MAR scanner 345 mm plate 2006-04-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
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 1.7 16 90.1 0.04 21.5 12.9 20777
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) 1.7 1.76 86.1 0.125 10.6 1930
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 1SFI 1.7 16 20743 1080 90.2 0.157 0.155 0.1564 0.195 0.199 RANDOM 18.697
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] 0.83 -0.51 -0.32
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.173 r_dihedral_angle_4_deg 12.513 r_dihedral_angle_3_deg 10.808 r_dihedral_angle_1_deg 6.168 r_scangle_it 2.791 r_scbond_it 2.006 r_mcangle_it 1.353 r_angle_refined_deg 1.121 r_mcbond_it 0.781 r_nbtor_refined 0.3
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.173 r_dihedral_angle_4_deg 12.513 r_dihedral_angle_3_deg 10.808 r_dihedral_angle_1_deg 6.168 r_scangle_it 2.791 r_scbond_it 2.006 r_mcangle_it 1.353 r_angle_refined_deg 1.121 r_mcbond_it 0.781 r_nbtor_refined 0.3 r_nbd_refined 0.187 r_symmetry_vdw_refined 0.119 r_xyhbond_nbd_refined 0.112 r_symmetry_hbond_refined 0.106 r_metal_ion_refined 0.096 r_chiral_restr 0.08 r_bond_refined_d 0.009 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1752 Nucleic Acid Atoms Solvent Atoms 310 Heterogen Atoms 16
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing