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Crystal structure of human Cathepsin L in complex with covalently bound GC376
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3OF9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 4 293 Mature cathepsin L at a concentration of 7 mg/ml was equilibrated against 27% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0. Crystals, which grew at 293 K to final size after approximately 3 days, were transferred to a compound soaking solution containing 22% w/v PEG 8000, 1 mM TCEP and 0.1 M sodium acetate at pH 4.0 as well as 5% v/v DMSO and 10% v/v PEG 400.
Crystal Properties Matthews coefficient Solvent content 2.13 42.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.29 α = 105.306 b = 62.45 β = 93.523 c = 67.82 γ = 115.929
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 EIGER2 X 16M 2021-08-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PETRA III, DESY BEAMLINE P11 1.033 PETRA III, DESY P11
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 1.8 44.25 90.98 0.1346 0.1476 0.05975 0.994 9.62 5 67386 41.87
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 1.8 1.864 81.98 0.9518 1.115 0.5693 0.73 1.99 3.3
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 3OF9 1.8 44.25 1.96 67386 1980 90.57 0.1701 0.1691 0.1716 0.203 0.2053 52.57
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 20.3873 f_angle_d 0.652 f_chiral_restr 0.0487 f_bond_d 0.0063 f_plane_restr 0.0044
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6691 Nucleic Acid Atoms Solvent Atoms 272 Heterogen Atoms 222
Software Software Software Name Purpose PHENIX refinement Coot model building XDS data reduction XDS data scaling PHENIX phasing