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SFTI-1 containing L-2-Selenaproline at residue 13 in complex with Trypsin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SFI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 291 2.1 M Ammonium sulfate, 50 mM Tris pH 8.15
Crystal Properties Matthews coefficient Solvent content 2.52 51.23
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 62.599 α = 90 b = 63.833 β = 90 c = 69.195 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 PIXEL DECTRIS EIGER X 16M 2025-07-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 0.9537 Australian Synchrotron MX2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim 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 1.9 46.92 99.3 0.203 0.211 0.058 0.994 10.5 13.3 22313
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.94 98.2 0.952 0.99 0.27 0.781 13.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 THROUGHOUT 1.9 46.42 1.34 22263 1127 99.09 0.1764 0.1739 0.1738 0.2245 0.2244
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 7.495 f_angle_d 1.174 f_chiral_restr 0.067 f_bond_d 0.012 f_plane_restr 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1734 Nucleic Acid Atoms Solvent Atoms 186 Heterogen Atoms 20
Software Software Software Name Purpose PHENIX refinement Aimless data scaling PDB_EXTRACT data extraction XDS data reduction PHASER phasing