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Crystal Structure of ClpA, an HSP100 chaperone and regulator of ClpAP protease: Structural basis of differences in Function of the Two AAA+ ATPase domains
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 294 iso-propanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP at 294K
Crystal Properties Matthews coefficient Solvent content 2.56 51.92
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 124.107 α = 90 b = 124.107 β = 90 c = 97.042 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 M SINGLE WAVELENGTH 2 1 CCD MARRESEARCH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X9B 1.000 NSLS X9B 2 SYNCHROTRON APS BEAMLINE 5ID-B 1.000 APS 5ID-B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.6 20 100 22312
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) 2.6 100 0.493
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT 2.6 20 22312 1396 100 0.22075 0.21554 0.30422 RANDOM 49.65
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] -1.15 -0.58 -1.15 1.73
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 8.788 r_scbond_it 6.604 r_mcangle_it 3.946 r_mcbond_it 1.682 r_angle_refined_deg 1.379 r_bond_refined_d 0.019 r_planar_d r_hb_or_metal_coord r_plane_restr r_chiral_restr
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 8.788 r_scbond_it 6.604 r_mcangle_it 3.946 r_mcbond_it 1.682 r_angle_refined_deg 1.379 r_bond_refined_d 0.019 r_planar_d r_hb_or_metal_coord r_plane_restr r_chiral_restr r_singtor_nbd r_multtor_nbd r_xhyhbond_nbd r_xyhbond_nbd r_planar_tor r_staggered_tor r_orthonormal_tor r_transverse_tor r_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5583 Nucleic Acid Atoms Solvent Atoms 262 Heterogen Atoms 84
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CCP4 model building REFMAC refinement CCP4 phasing