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The crystal structure of the Michaelis-Menten complex of a C1s/C1-INH at 3.94 Angstroms
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5UBM CCP1-CCP2-SP experimental model PDB 5DU3 C1-INH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 295 0.1 M L-Proline, 0.1M HEPES (pH 6.5), and 12% PEG 3,350
Crystal Properties Matthews coefficient Solvent content 3.56 65.43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 168.628 α = 90 b = 168.628 β = 90 c = 88.342 γ = 90
Symmetry Space Group P 42 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 93 PIXEL DECTRIS PILATUS3 6M 2023-06-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) 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 3.94 49.42 100 0.127 0.996 6.9 12.8 11775 145.32
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.94 4.15 100 0.776 0.446 1.1 12.9
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 FREE R-VALUE 3.94 47.42 1.34 11733 1173 99.9 0.2639 0.262 0.2625 0.2807 0.2795 161.56
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 14.0054 f_angle_d 0.7333 f_chiral_restr 0.0526 f_bond_d 0.0048 f_plane_restr 0.0037
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6029 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHENIX phasing