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Crystal Structure of the Recombinant Human Alpha I Tryptase Mutant K192Q/D216G in Complex with Leupeptin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1LTO PDB ENTRY 1LTO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.8 293 28% PEG 1500, pH 6.80, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.72 54.81
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.31 α = 90 b = 88.57 β = 90 c = 163.37 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 CCD MARRESEARCH 2003-07-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 MPG/DESY, HAMBURG BW6
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 1.6 19.9 98.8 0.06 23.8 156713 21.5
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 1.6 1.63 92.9 0.477
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 1LTO 1.6 19.9 159443 156604 7659 98.8 0.19 0.19 0.1836 0.236 0.2263 SHELLS 23.6
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] -0.34 1.91 -1.56
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.7 c_angle_deg 1.7 c_improper_angle_d 1.08 c_bond_d 0.012 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.7 c_angle_deg 1.7 c_improper_angle_d 1.08 c_bond_d 0.012 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 c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7840 Nucleic Acid Atoms Solvent Atoms 1178 Heterogen Atoms 148
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing CNS refinement