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Crystal Structure of the Pilus Retraction Motor PilT and Bound ATP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.9 293 5-8 mg/ml protein
30-45% MPD
0.2-0.4 M Ammonium Sulfate
Tris, 15mM
KCl 75mM
5% glycerol
5-10mM magnesium Chloride
1-5 mM ATP
, pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.69 54.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 107.38 α = 90 b = 107.38 β = 90 c = 68.86 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 MARRESEARCH 2003-11-01 M MAD 2 1 100
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 14-ID-B 0.9794 APS 14-ID-B 2 SYNCHROTRON APS BEAMLINE 14-ID-B 0.9568 APS 14-ID-B
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 3.2 20 99.5 0.079 7.9 7481
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) 3.2 3.37 98 0.256 2.9 1093
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 MAD THROUGHOUT 3.2 19.47 7481 6948 395 97.35 0.2423 0.24236 0.23868 0.2449 0.30981 0.2262 RANDOM 70.716
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] -0.52 -0.26 -0.52 0.78
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.916 r_dihedral_angle_3_deg 21.005 r_dihedral_angle_4_deg 15.66 r_dihedral_angle_1_deg 5.531 r_angle_refined_deg 1.149 r_scangle_it 1.019 r_mcangle_it 0.641 r_scbond_it 0.569 r_mcbond_it 0.353 r_nbtor_refined 0.304
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.916 r_dihedral_angle_3_deg 21.005 r_dihedral_angle_4_deg 15.66 r_dihedral_angle_1_deg 5.531 r_angle_refined_deg 1.149 r_scangle_it 1.019 r_mcangle_it 0.641 r_scbond_it 0.569 r_mcbond_it 0.353 r_nbtor_refined 0.304 r_nbd_refined 0.207 r_symmetry_vdw_refined 0.206 r_symmetry_hbond_refined 0.148 r_xyhbond_nbd_refined 0.139 r_chiral_restr 0.066 r_bond_refined_d 0.007 r_gen_planes_refined 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2717 Nucleic Acid Atoms Solvent Atoms 2 Heterogen Atoms 31
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction CCP4 data scaling SHARP phasing