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Structure of human trypsin IV (brain trypsin)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TRN PDB ENTRY 1TRN
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.7 298 HANGING DROP VAPOUR DIFFUSION 3.3 MG/ML PROTEIN, 2% PEG 4000, 0.05M TRIS PH7.7, 2.5MM CACL2, 2.5 MG/ML BENZAMIDINE/HCL, 25 C, pH 7.70
Crystal Properties Matthews coefficient Solvent content 2.3 46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 56.683 α = 90 b = 56.683 β = 90 c = 143.21 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 CCD MARRESEARCH MIRRORS 2000-06-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 ESRF BM14
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 52.7 94.9 0.049 18.5 4.3 26174 15.8
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 1.7 1.74 92 0.323 2.5
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 1TRN 1.7 52.7 26174 1313 94.9 0.188 0.188 0.2004 0.203 0.2173 RANDOM 20
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] -1.276 -1.276 2.552
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25 c_scangle_it 2.77 c_scbond_it 1.89 c_mcangle_it 1.75 c_angle_deg 1.3 c_mcbond_it 1.15 c_improper_angle_d 0.71 c_bond_d 0.004 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25 c_scangle_it 2.77 c_scbond_it 1.89 c_mcangle_it 1.75 c_angle_deg 1.3 c_mcbond_it 1.15 c_improper_angle_d 0.71 c_bond_d 0.004 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1704 Nucleic Acid Atoms Solvent Atoms 125 Heterogen Atoms 10
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing