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CHOLERA TOXIN B-PENTAMER MUTANT G33R BOUND TO RECEPTOR PENTASACCHARIDE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CHP PDB ENTRY 1CHP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 PROTEIN, 20 MM TRIS, 1 MM GM1-OS, PH 7.5 200 MM MGCL2, 100 MM CACODYLATE, 19% PEG 1000, 0.2% AGAROSE, PH 7.2
Crystal Properties Matthews coefficient Solvent content 2.26 45.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 103.4 α = 90 b = 67.61 β = 131.66 c = 101.7 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 287 AREA DETECTOR SIEMENS 1995-12-26 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.3 15 95 0.098 22182
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.3 2.38 55
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT PDB ENTRY 1CHP 2.3 15 1 21343 92 0.182 0.182 0.1847 0.25 0.2476 RANDOM 27
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] -0.203 4.2029 -3.3302 3.5332
RMS Deviations Key Refinement Restraint Deviation x_mcangle_it 4 x_scangle_it 4 x_mcbond_it 2 x_scbond_it 2 x_angle_deg 1.57 x_bond_d 0.011 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na
RMS Deviations Key Refinement Restraint Deviation x_mcangle_it 4 x_scangle_it 4 x_mcbond_it 2 x_scbond_it 2 x_angle_deg 1.57 x_bond_d 0.011 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4105 Nucleic Acid Atoms Solvent Atoms 151 Heterogen Atoms 137
Software Software Software Name Purpose XENGEN data collection MACRO data reduction X-PLOR model building X-PLOR refinement XENGEN data reduction MACRO data scaling X-PLOR phasing