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Crystal structure of CTX A4 from Taiwan Cobra (Naja naja atra)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 291 1.3 M ammonium sulfate, 100 mM Tris-HCl, 200 mM lithium sulfate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 3.52 65.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 72.933 α = 90 b = 72.933 β = 90 c = 249.422 γ = 120
Symmetry Space Group P 65 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 200 CCD RAYONIX MX-225 2009-07-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL26B2 1 SPring-8 BL26B2
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 2.55 50 100 0.15 6.8 41.1 13697 13697 2 2
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 2.55 2.64 100 0.906 41.8
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 2.55 31.05 13638 12947 675 99.89 0.21724 0.21492 0.2165 0.26235 0.2602 RANDOM 42.246
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] 0.15 0.15 0.15 -0.49
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 22.157 r_dihedral_angle_4_deg 20.228 r_dihedral_angle_3_deg 17.967 r_dihedral_angle_1_deg 7.888 r_mcangle_it 2.608 r_scbond_it 1.931 r_angle_refined_deg 1.907 r_mcbond_it 1.559 r_mcbond_other 1.558 r_angle_other_deg 0.866
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 22.157 r_dihedral_angle_4_deg 20.228 r_dihedral_angle_3_deg 17.967 r_dihedral_angle_1_deg 7.888 r_mcangle_it 2.608 r_scbond_it 1.931 r_angle_refined_deg 1.907 r_mcbond_it 1.559 r_mcbond_other 1.558 r_angle_other_deg 0.866 r_chiral_restr 0.108 r_bond_refined_d 0.017 r_gen_planes_refined 0.008 r_bond_other_d 0.003 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_mcangle_other r_scbond_other r_scangle_it r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1872 Nucleic Acid Atoms Solvent Atoms 75 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling PHASER phasing REFMAC refinement