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Helix Bundle Quaternary Structure from alpha/beta-Peptide Foldamers: GCN4-p1 with beta-residues at b and f heptad positions.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 298 0.2 M sodium acetate, 0.1 M Tris hydrochloride, 30% w/v PEG 4000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 1.81 31.96
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 25.728 α = 90 b = 37.641 β = 90 c = 92.511 γ = 90
Symmetry Space Group P 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 BRUKER SMART 6000 confocal mirrors 2006-08-31 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 2 37.6 99.5 4.5 21.6 6.2 6503 6503
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 2 2.1 98.6 29.8 3.6 2.7
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 (All) 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 25 6169 6169 303 99.66 0.22178 0.22178 0.21875 0.2143 0.28321 0.273 RANDOM 19.565
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] 2.97 0.17 -3.14
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 41.796 r_dihedral_angle_3_deg 18.518 r_dihedral_angle_4_deg 7.173 r_dihedral_angle_1_deg 5.852 r_scangle_it 5.151 r_scbond_it 3.257 r_angle_refined_deg 2.158 r_mcangle_it 1.741 r_mcbond_it 1.299 r_angle_other_deg 1.26
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 41.796 r_dihedral_angle_3_deg 18.518 r_dihedral_angle_4_deg 7.173 r_dihedral_angle_1_deg 5.852 r_scangle_it 5.151 r_scbond_it 3.257 r_angle_refined_deg 2.158 r_mcangle_it 1.741 r_mcbond_it 1.299 r_angle_other_deg 1.26 r_mcbond_other 0.298 r_symmetry_hbond_refined 0.278 r_symmetry_vdw_other 0.247 r_nbd_refined 0.246 r_nbd_other 0.225 r_xyhbond_nbd_refined 0.207 r_symmetry_vdw_refined 0.201 r_nbtor_refined 0.172 r_chiral_restr 0.109 r_nbtor_other 0.094 r_bond_refined_d 0.02 r_gen_planes_refined 0.01 r_bond_other_d 0.002 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 806 Nucleic Acid Atoms Solvent Atoms 80 Heterogen Atoms 4
Software Software Software Name Purpose REFMAC refinement PROTEUM PLUS data collection PROTEUM PLUS data reduction PROTEUM PLUS data scaling PHASER phasing