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Crystal Structure of Schistatin, a Disintegrin Homodimer from saw-scaled Viper (Echis carinatus) at 2.5 A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 298 ammonium sulfate, cacodylate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Crystal Properties Matthews coefficient Solvent content 4.07 69.79
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 91.645 α = 90 b = 91.645 β = 90 c = 55.049 γ = 90
Symmetry Space Group I 41 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 298 IMAGE PLATE MARRESEARCH 2000-10-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.541
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.5 20 0.12 17.8 10.3 3943 -3 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.5 2.54 55 0.3 2.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MIRAS THROUGHOUT 2.5 20 3943 197 100 0.19216 0.19037 0.22974 RANDOM 56.27
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] 0.54 0.54 -1.07
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 11.965 r_dihedral_angle_1_deg 9.761 r_scbond_it 7.298 r_mcangle_it 5.151 r_mcbond_it 3.004 r_angle_refined_deg 1.333 r_symmetry_vdw_refined 0.51 r_nbd_refined 0.254 r_xyhbond_nbd_refined 0.156 r_chiral_restr 0.108
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 11.965 r_dihedral_angle_1_deg 9.761 r_scbond_it 7.298 r_mcangle_it 5.151 r_mcbond_it 3.004 r_angle_refined_deg 1.333 r_symmetry_vdw_refined 0.51 r_nbd_refined 0.254 r_xyhbond_nbd_refined 0.156 r_chiral_restr 0.108 r_symmetry_hbond_refined 0.106 r_gen_planes_refined 0.02 r_bond_refined_d 0.009 r_bond_other_d r_angle_other_deg r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_gen_planes_other r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 485 Nucleic Acid Atoms Solvent Atoms 22 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling SOLVE phasing