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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 0.1M Na-citrate,pH 4.75, 2M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 176.635 α = 90 b = 177.655 β = 132.53 c = 130.6 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 3.4 30 90.7 0.125 5.4 36840 36840 1 1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.4 3.58 93.9
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 3.402 29.99 35016 35016 1821 90.4 0.26144 0.2596 0.2492 0.29741 0.2853 RANDOM 112.378
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] 4.94 3.46 -4.69 -1.28
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.138 r_long_range_B_refined 27.237 r_long_range_B_other 27.237 r_mcangle_other 20.949 r_mcangle_it 20.916 r_dihedral_angle_4_deg 18.649 r_dihedral_angle_3_deg 18.296 r_scangle_other 18.271 r_mcbond_it 14.999 r_mcbond_other 14.993
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.138 r_long_range_B_refined 27.237 r_long_range_B_other 27.237 r_mcangle_other 20.949 r_mcangle_it 20.916 r_dihedral_angle_4_deg 18.649 r_dihedral_angle_3_deg 18.296 r_scangle_other 18.271 r_mcbond_it 14.999 r_mcbond_other 14.993 r_scbond_other 12.234 r_scbond_it 12.204 r_dihedral_angle_1_deg 5.802 r_angle_refined_deg 1.679 r_angle_other_deg 0.867 r_chiral_restr 0.082 r_bond_refined_d 0.016 r_gen_planes_refined 0.007 r_bond_other_d 0.005 r_gen_planes_other 0.002 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 7192 Nucleic Acid Atoms Solvent Atoms 4 Heterogen Atoms 191
Software Software Software Name Purpose HKL-2000 data collection PHENIX model building REFMAC refinement MOSFLM data reduction SCALA data scaling PHENIX phasing