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Complex between Bacterial Chemotaxis histidine kinase CheA domains P4 and P5 and receptor-adaptor protein CheW
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1B3Q PDB ENTRIES 1B3Q AND 1K0S experimental model PDB 1K0S PDB ENTRIES 1B3Q AND 1K0S
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 PEG 4K 3-5%,NA ACETATE 0.1M PH 4.5,ADPNP 1MM
Crystal Properties Matthews coefficient Solvent content 5.14 76
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 136.6 α = 90 b = 136.6 β = 90 c = 231.3 γ = 90
Symmetry Space Group P 41 21 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 CCD 2005-01-31 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 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 3.5 30 99.8 0.09 40 15 27869 2 90
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 3.5 3.6 100 0.58 10
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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRIES 1B3Q AND 1K0S 3.5 30 1 27869 2783 99.8 0.255 0.255 0.239 0.295 0.2725 RANDOM 120
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] 5.093 -3.912 -1.1181
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.6 c_bond_d 0.009 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
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.6 c_bond_d 0.009 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 c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d 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 7055 Nucleic Acid Atoms Solvent Atoms 13 Heterogen Atoms 62
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling PHASER phasing