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alpha/beta-Peptide helix bundles: The GCN4-pLI side chain sequence on an (alpha-alpha-beta) backbone
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 298 0.1 M HEPES pH 7.5, 4.3 M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.04 39.79
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 38.414 α = 90 b = 38.414 β = 90 c = 46.494 γ = 90
Symmetry Space Group P 4 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 BRUKER SMART 6000 confocal mirrors 2007-03-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER AXS MICROSTAR 1.5418
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 1.8 46.5 98.5 0.044 36.4 12.5 3560 3507
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) 1 1.8 1.9 92.9 0.358 4.4 3.8
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.8 23.45 3341 152 98.51 0.2093 0.20753 0.2075 0.24433 0.2321 RANDOM 15.138
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] 0.9 0.9 -1.8
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 46.232 r_dihedral_angle_3_deg 13.695 r_dihedral_angle_1_deg 6.933 r_scangle_it 3.904 r_scbond_it 2.484 r_angle_refined_deg 2.139 r_mcangle_it 1.514 r_angle_other_deg 1.412 r_mcbond_it 1.263 r_nbd_other 0.241
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 46.232 r_dihedral_angle_3_deg 13.695 r_dihedral_angle_1_deg 6.933 r_scangle_it 3.904 r_scbond_it 2.484 r_angle_refined_deg 2.139 r_mcangle_it 1.514 r_angle_other_deg 1.412 r_mcbond_it 1.263 r_nbd_other 0.241 r_symmetry_vdw_other 0.233 r_mcbond_other 0.223 r_nbd_refined 0.209 r_symmetry_vdw_refined 0.205 r_xyhbond_nbd_refined 0.178 r_symmetry_hbond_refined 0.171 r_nbtor_refined 0.168 r_chiral_restr 0.131 r_nbtor_other 0.081 r_bond_other_d 0.018 r_bond_refined_d 0.015 r_gen_planes_refined 0.013 r_gen_planes_other 0.001 r_dihedral_angle_4_deg r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 254 Nucleic Acid Atoms Solvent Atoms 49 Heterogen Atoms 6
Software Software Software Name Purpose REFMAC refinement PROTEUM PLUS data collection PROTEUM PLUS data reduction PROTEUM PLUS data scaling PHASER phasing