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Calcium-selective Sp1 channel pore domain only
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 CaVSp1p purified in DM was concentrated to 13 mg mL-1 and reconstituted in bicelles prior crystallization to a final bicelle concentration of 8%. Native crystals grew in 25% PEG4000, 200 mM MgCl2, 100 mM MES, pH 6.5
Crystal Properties Matthews coefficient Solvent content 5.43 77.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 133.682 α = 90 b = 133.682 β = 90 c = 130.744 γ = 120
Symmetry Space Group P 61 2 2
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 MAR CCD 130 mm 2012-10-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.11587 ALS 8.3.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 3.5 50 97.17 0.156 0.995 10.2 11.5 9000 139.32
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.5 3.622 1 0.126
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 MAD FREE R-VALUE 3.5 14.93 1.34 9000 423 99.86 0.2658 0.2646 0.2735 0.2897 0.2913 RANDOM 153.64
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 f_dihedral_angle_d 8.1736 f_angle_d 1.4487 f_chiral_restr 0.0756 f_plane_restr 0.0119 f_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2031 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement PHENIX refinement PDB_EXTRACT data extraction MOSFLM data reduction SCALA data scaling PHASER phasing