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Crystal Structure of a CRISP family Ca-channel blocker derived from snake venom
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 293 Tris-HCl, PEG 400, sodium acetate, sodium cadmium, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.1 60
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.374 α = 90 b = 83.374 β = 90 c = 85.68 γ = 90
Symmetry Space Group P 43 21 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 MARRESEARCH mirrors 2002-12-02 M SINGLE WAVELENGTH 2 1 x-ray M MAD 1,2 1
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL41XU 1.0403 SPring-8 BL41XU 2 1.0403, 1.0406, 1.0457
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 1,2 2.3 38.11 99.4 0.063 0.063 8.25 14053 13969 46.1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1,2 2.3 2.42 99.4 0.518 0.48 1.6 1965
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 Crystal 1 SINGLE WAVELENGTH PROTOCOL,
Crysatl 2 MAD PROTOCOL THROUGHOUT 2.4 38.11 13844 12235 609 99.2 0.227 0.227 0.2315 0.282 0.2109 RANDOM 56.5
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] 9.57 9.57 -19.14
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.2 c_scangle_it 3.21 c_mcangle_it 2.26 c_scbond_it 2.25 c_mcbond_it 1.36 c_angle_deg 1.2 c_improper_angle_d 0.81 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1734 Nucleic Acid Atoms Solvent Atoms 140 Heterogen Atoms 9
Software Software Software Name Purpose CNS refinement MAR345 data collection CCP4 data scaling SHARP phasing