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Structure of the PII signal transduction protein of Neisseria meningitidis at 1.85 resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1PIL pdb entry 1PIL
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 0.17M ammonium sulphate / 25.5% PEG4000 / 15% v/v glycerol, pH Unbuffered, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.1 41.52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.141 α = 90 b = 61.141 β = 90 c = 48.074 γ = 120
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 Mirror, vertical focussing 2004-02-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX14.2 0.945 SRS PX14.2
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 1.85 30 99.8 0.065 28.1 5.5 8821 8803 -2 15.5
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) 1 1.85 1.92 100 0.418 99.63 5.4
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 (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 pdb entry 1PIL 1.85 26.48 8821 8799 938 99.7 0.189 0.189 0.1888 0.218 0.2195 RANDOM 30.5
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] 1.36 0.25 1.36 -2.73
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.3 c_scangle_it 7.46 c_scbond_it 5 c_mcangle_it 4.4 c_mcbond_it 2.96 c_angle_deg 1.3 c_improper_angle_d 0.67 c_bond_d 0.005 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.3 c_scangle_it 7.46 c_scbond_it 5 c_mcangle_it 4.4 c_mcbond_it 2.96 c_angle_deg 1.3 c_improper_angle_d 0.67 c_bond_d 0.005 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
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 757 Nucleic Acid Atoms Solvent Atoms 134 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing