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Crystal Structure of the E7_G/Im7_G complex; a designed interface between the colicin E7 DNAse and the Im7 immunity protein
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7CEI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 298 30% PEG 4K, 0.6M ammonium acetate, 50mM Na acetate, 25% glycerol, 5% DMSO, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.74 55.07
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.038 α = 90 b = 72.969 β = 90 c = 121.167 γ = 90
Symmetry Space Group I 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 4 2005-01-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.3 1 ALS 5.0.3
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) 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 50 99.5 0.046 0.073 21 5.4 38937 20886 16.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2 2.07 99.6 0.49 0.55 2.94 4.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 7CEI 2 46.82 19353 17770 1583 95 0.28 0.228 0.228 0.2296 0.271 0.2704 RANDOM 30.3
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] -2.71 4.6 -1.89
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.8 c_angle_deg 1.1 c_improper_angle_d 0.77 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.8 c_angle_deg 1.1 c_improper_angle_d 0.77 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1722 Nucleic Acid Atoms Solvent Atoms 149 Heterogen Atoms
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling EPMR phasing