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Cesium sites in the crystal structure of a functional acid sensing ion channel in the desensitized state
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 277.15 150-350 mM NaCl, 100 mM HEPES, 23-28% PEG 400, 10 mM taurine, soaked in 250 mM CsCl cryo solution, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K
Crystal Properties Matthews coefficient Solvent content 3.75 67.19
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 131.787 α = 90 b = 131.787 β = 90 c = 119.107 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 315 vertically collimating premirror, LN2 cooled double-crystal silicon (111) monochromator, toroidal focusing M2 mirror 2008-08-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.3776 ALS 5.0.2
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 3 80 93.5 0.095 15430
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 3.077 95.7 0.084 1.1
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 3 27.47 14636 794 99.97 0.225 0.223 0.2794 0.272 0.2864 RANDOM 51.848
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]
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.674 r_dihedral_angle_3_deg 18.186 r_dihedral_angle_4_deg 10.908 r_dihedral_angle_1_deg 6.406 r_angle_refined_deg 1.163 r_scangle_it 0.95 r_mcangle_it 0.742 r_scbond_it 0.562 r_mcbond_it 0.407 r_nbtor_refined 0.301
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.674 r_dihedral_angle_3_deg 18.186 r_dihedral_angle_4_deg 10.908 r_dihedral_angle_1_deg 6.406 r_angle_refined_deg 1.163 r_scangle_it 0.95 r_mcangle_it 0.742 r_scbond_it 0.562 r_mcbond_it 0.407 r_nbtor_refined 0.301 r_nbd_refined 0.194 r_symmetry_hbond_refined 0.187 r_symmetry_vdw_refined 0.161 r_xyhbond_nbd_refined 0.129 r_chiral_restr 0.08 r_bond_refined_d 0.007 r_gen_planes_refined 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3190 Nucleic Acid Atoms Solvent Atoms 54 Heterogen Atoms 5
Software Software Software Name Purpose REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction SCALEPACK data scaling PHASER phasing