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Streptavidin-E101Q-K121A-L124E bound to Fe(III)-biotin-pentyl-dipicolylamine cofactor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2QCB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 298 ammonium sulfate, sodium acetate
Crystal Properties Matthews coefficient Solvent content 2.89 57.38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 192.511 α = 90 b = 57.633 β = 107.42 c = 57.633 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 PIXEL DECTRIS PILATUS3 6M 2021-05-02 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) 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 1.55 45.92 99.8 0.05845 0.06821 0.03466 0.998 13.54 3.7 87395 21.51
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 1.55 1.605 99.9 0.7478 0.8692 0.4363 0.666 2.33 3.7
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 1.55 45.92 1.36 87380 4305 99.81 0.1671 0.1659 0.1659 0.1889 0.189 21.51
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 20.7052 f_angle_d 1.5514 f_chiral_restr 0.1158 f_bond_d 0.017 f_plane_restr 0.0106
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3732 Nucleic Acid Atoms Solvent Atoms 443 Heterogen Atoms 162
Software Software Software Name Purpose PHENIX refinement XDS data reduction Coot model building Aimless data scaling PHASER phasing