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Cyclic residues in alpha/beta-peptide helix bundles: GCN4-pLI side chain sequence on an (alpha-alpha-beta) backbone with cyclic beta-residues at positions 1, 4, 10, 19 and 28
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3HEV PDB ENTRY 3HEV
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 298 0.3 M sodium acetate pH 4.6, 0.25 magnesium formate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.11 41.84
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 38.599 α = 90 b = 38.599 β = 90 c = 46.072 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 2008-03-10 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 23.48 99.3 0.046 29.5 9.2 2612
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 94.8 0.203 5.2 3.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 PDB ENTRY 3HEV 2 23.48 2483 117 99.31 0.20563 0.20297 0.2067 0.25602 0.2442 RANDOM 14.569
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] 1.45 1.45 -2.91
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 46.094 r_dihedral_angle_3_deg 14.141 r_dihedral_angle_1_deg 7.376 r_scangle_it 3.596 r_scbond_it 2.194 r_angle_refined_deg 2.098 r_mcangle_it 1.506 r_angle_other_deg 1.265 r_mcbond_it 0.81 r_mcbond_other 0.241
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 46.094 r_dihedral_angle_3_deg 14.141 r_dihedral_angle_1_deg 7.376 r_scangle_it 3.596 r_scbond_it 2.194 r_angle_refined_deg 2.098 r_mcangle_it 1.506 r_angle_other_deg 1.265 r_mcbond_it 0.81 r_mcbond_other 0.241 r_chiral_restr 0.126 r_bond_refined_d 0.013 r_gen_planes_refined 0.003 r_bond_other_d 0.002 r_gen_planes_other 0.001 r_dihedral_angle_4_deg 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_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 257 Nucleic Acid Atoms Solvent Atoms 42 Heterogen Atoms 4
Software Software Software Name Purpose PROTEUM PLUS data collection PHASER phasing REFMAC refinement PROTEUM PLUS data reduction PROTEUM PLUS data scaling