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The allosteric E*-E equilibrium is a key property of the trypsin fold
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3JZ1 PDB entry 3JZ1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.2 295 0.2 M NH4I and 20 % PEG 3350, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.27 45.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 122.179 α = 90 b = 47.98 β = 94.31 c = 52.011 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 IMAGE PLATE RIGAKU RAXIS IV++ 2011-01-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.1 40 98.5 0.105 0.105 13.3 4.3 17851 17583 -0.5 -0.5
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 2.1 2.14 97.3 0.16 6.6 3.4 849
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) 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 3JZ1 2.1 31 -0.5 -0.5 16842 16480 892 97.86 0.1914 0.1888 0.1906 0.2395 0.2387 RANDOM 42.499
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] -0.06 -0.25 -0.19 0.21
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.004 r_dihedral_angle_3_deg 18.774 r_dihedral_angle_4_deg 15.239 r_dihedral_angle_1_deg 6.183 r_scangle_it 3.034 r_scbond_it 1.891 r_angle_refined_deg 1.321 r_mcangle_it 1.117 r_mcbond_it 0.581 r_chiral_restr 0.091
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.004 r_dihedral_angle_3_deg 18.774 r_dihedral_angle_4_deg 15.239 r_dihedral_angle_1_deg 6.183 r_scangle_it 3.034 r_scbond_it 1.891 r_angle_refined_deg 1.321 r_mcangle_it 1.117 r_mcbond_it 0.581 r_chiral_restr 0.091 r_bond_refined_d 0.01 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2239 Nucleic Acid Atoms Solvent Atoms 150 Heterogen Atoms 21
Software Software Software Name Purpose CrystalClear data collection MOLREP phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling