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Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other edema factor complexed with calmodulin and 3'dATP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 277 peg8000, ammonium sulphate, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.73 67.03
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 116.73 α = 90 b = 167.311 β = 90 c = 344.296 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 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 1.0 NSLS X25
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 2.8 30 98.5 0.06 20.18 5.6 1143125 69876 1 1 79.4
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.95 3.06 95.5 0.305 3.55 5.6 6681
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 FOURIER SYNTHESIS THROUGHOUT edema factor complexed with calmodulin and 3'dATP 2.95 30 2 69010 6973 96.9 0.278 0.278 0.2779 0.315 0.3132 RANDOM 91.8
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] 8.3 1.37 -9.67
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.1 c_scangle_it 2.49 c_mcangle_it 2.31 c_angle_deg 1.6 c_scbond_it 1.51 c_mcbond_it 1.29 c_improper_angle_d 0.95 c_bond_d 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 15225 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 16
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing