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STRUCTURE OF A STAR MUTANT CRP-CAMP AT 2.2 A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1I5Z 1I5Z CRP DIMER
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 LIQUID DIFFUSION 7.8 298 100MM KCL, 1MM EDTA, 50MM TRIS, 35% GLYCEROL, 20:1 CAMP:CRP, pH 7.8, LIQUID DIFFUSION, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.41 49.01
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.262 α = 90 b = 93.343 β = 90 c = 105.339 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 IMAGE PLATE MACSCIENCE MULTILAYER 1998-08-21 M SINGLE WAVELENGTH 2 1 x-ray 95 CCD BRUKER SMART 2000 MULTILAYER 1998-05-21 M SINGLE WAVELENGTH 3 1 x-ray 95 IMAGE PLATE RIGAKU RAXIS IV 1998-06-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE MACSCIENCE 1.5418 2 ROTATING ANODE MACSCIENCE 1.5418 3 SYNCHROTRON NSLS BEAMLINE X4A 0.97950 NSLS X4A
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 1,2,3 2.2 70 96.1 0.075 0.075 11.7 8 23757 37.3
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 2.24 83.4 0.311 0.311 3.1 2.6 1018
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1I5Z CRP DIMER 2.2 42.67 22833 22833 2243 95.6 0.23 0.2269 0.269 0.2617 SHELLS 52.3
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] -0.55 0.56 -0.01
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.8 c_scangle_it 3.31 c_mcangle_it 2.64 c_scbond_it 2.24 c_mcbond_it 1.57 c_angle_deg 1.3 c_improper_angle_d 0.7 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3176 Nucleic Acid Atoms Solvent Atoms 83 Heterogen Atoms 74
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing