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Structural Basis for Ca2+ Selectivity of a Voltage-gated Calcium Channel
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.75 298 CHAPSO:DMPC bicelles, 0.1M Na-Acetate, pH 4.75, 2M Ammonium Sulfate, 28% Glucose, 15mM Calcium Chloride, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 177.525 α = 90 b = 177.825 β = 132.57 c = 131.355 γ = 90
Symmetry Space Group C 1 2 1
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 315r 2012-11-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 1.75 ALS 8.2.1
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 40 95.9 0.095 5.1 47359 47359 1 1
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 3.2 3.37 97.3 0.595 2.1 5
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 (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 3.3 29.9 40820 40820 2180 95.38 0.24395 0.242 0.24 0.28007 0.271 RANDOM 94.358
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] 3.19 0.92 0.98 -1.87
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.675 r_long_range_B_refined 20.523 r_long_range_B_other 20.523 r_dihedral_angle_3_deg 18.822 r_dihedral_angle_4_deg 18.648 r_mcangle_other 15.069 r_mcangle_it 15.067 r_scangle_other 13.186 r_mcbond_it 9.972 r_mcbond_other 9.965
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.675 r_long_range_B_refined 20.523 r_long_range_B_other 20.523 r_dihedral_angle_3_deg 18.822 r_dihedral_angle_4_deg 18.648 r_mcangle_other 15.069 r_mcangle_it 15.067 r_scangle_other 13.186 r_mcbond_it 9.972 r_mcbond_other 9.965 r_scbond_other 8.415 r_scbond_it 8.368 r_dihedral_angle_1_deg 5.148 r_angle_refined_deg 1.572 r_angle_other_deg 0.836 r_chiral_restr 0.078 r_bond_refined_d 0.014 r_gen_planes_refined 0.008 r_bond_other_d 0.005 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7196 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 190
Software Software Software Name Purpose HKL-2000 data collection PHENIX model building REFMAC refinement MOSFLM data reduction SCALA data scaling PHENIX phasing