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Human cationic trypsin (TRY1) complexed with serine protease inhibitor Kazal type 1 (SPINK1)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CGI 1TRN_A, 1CGI_I experimental model PDB 1TRN 1TRN_A, 1CGI_I
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.4 293 1 ul protein solution (20 mg/mL in 20 mM HEPES, pH 7.4, 150 mM NaCl) + 1 ul well solution (15% PEG 4000, 0.3 M AS), cryo 15% PEG 4000, 0.3 M AS, 8% PEG 400
Crystal Properties Matthews coefficient Solvent content 2.7 54
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.626 α = 90 b = 77.626 β = 90 c = 187.349 γ = 120
Symmetry Space Group P 31 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 PIXEL DECTRIS PILATUS3 S 6M DCM Si(111) 2021-03-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.1 0.9184 BESSY 14.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Rrim I (All) CC (Half) 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 2.9 50 99.8 0.166 0.17 0.999 16.32 19.1 15112 1 85.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.9 3.08 99 2.651 2.721 0.55 1.2 19.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1TRN_A, 1CGI_I 2.9 45.75 1.34 15098 1509 99.71 0.225 0.2229 0.2219 0.2431 0.2437 100.14
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.5387 f_angle_d 1.6188 f_chiral_restr 0.0829 f_bond_d 0.0105 f_plane_restr 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4214 Nucleic Acid Atoms Solvent Atoms 1 Heterogen Atoms 15
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHASER phasing