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X-ray structure of crotamine, a cell-penetrating peptide from the Brazilian snake Crotalus durissus terrificus
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.1 293 0.2 M sodium thiocyanate, 1.9 M ammonium sulphate, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties Matthews coefficient Solvent content 3.47 64.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.922 α = 90 b = 74.33 β = 90 c = 80.199 γ = 90
Symmetry Space Group I 21 21 21
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 RAYONIX MX225HE M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2) PETRA III, EMBL c/o DESY P14 (MX2)
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.7 10 97.7 22612 20890 2.5 1
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 SAD THROUGHOUT 1.7 10 16628 20890 1121 98.24 0.1699 0.16694 0.1721 0.22537 0.2242 RANDOM 43.727
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] -0.67 -0.86 1.53
RMS Deviations Key Refinement Restraint Deviation r_sphericity_bonded 36.112 r_sphericity_free 27.031 r_dihedral_angle_2_deg 23.802 r_dihedral_angle_4_deg 22.576 r_dihedral_angle_3_deg 18.43 r_rigid_bond_restr 11.826 r_dihedral_angle_1_deg 6.475 r_angle_refined_deg 2.856 r_chiral_restr 0.196 r_bond_refined_d 0.034
RMS Deviations Key Refinement Restraint Deviation r_sphericity_bonded 36.112 r_sphericity_free 27.031 r_dihedral_angle_2_deg 23.802 r_dihedral_angle_4_deg 22.576 r_dihedral_angle_3_deg 18.43 r_rigid_bond_restr 11.826 r_dihedral_angle_1_deg 6.475 r_angle_refined_deg 2.856 r_chiral_restr 0.196 r_bond_refined_d 0.034 r_gen_planes_refined 0.012 r_bond_other_d r_angle_other_deg r_gen_planes_other 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_mcbond_it r_mcbond_other r_mcangle_it r_scbond_it r_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1014 Nucleic Acid Atoms Solvent Atoms 62 Heterogen Atoms 51
Software Software Software Name Purpose HKL-2000 data collection AutoSol phasing REFMAC refinement MOSFLM data reduction SCALA data scaling