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Cyclic residues in alpha/beta-peptide helix bundles: GCN4-pLI side chain sequence on an (alpha-alpha-beta) backbone with a cyclic beta-residue at position 19
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3C3G PDB ENTRY 3C3G
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 298 1.6 M ammonium sulfate, 0.1 M MES pH 6.5, 10% v/v dioxane, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.08 40.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 38.862 α = 90 b = 38.862 β = 90 c = 46.375 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 CCD BRUKER SMART 6000 confocal mirrors 2007-08-10 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 23.64 98.3 0.049 14.6 4.5 2674
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 0.321 2.5 2.9
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 3C3G 2 23.64 2539 121 99.51 0.23813 0.23602 0.2321 0.28532 0.2814 RANDOM 19.901
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] 2.11 2.11 -4.23
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 52.556 r_dihedral_angle_3_deg 13.778 r_dihedral_angle_1_deg 6.241 r_scangle_it 4.16 r_scbond_it 2.591 r_angle_refined_deg 2.085 r_angle_other_deg 1.4 r_mcangle_it 1.375 r_mcbond_it 1.075 r_symmetry_vdw_refined 0.331
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 52.556 r_dihedral_angle_3_deg 13.778 r_dihedral_angle_1_deg 6.241 r_scangle_it 4.16 r_scbond_it 2.591 r_angle_refined_deg 2.085 r_angle_other_deg 1.4 r_mcangle_it 1.375 r_mcbond_it 1.075 r_symmetry_vdw_refined 0.331 r_symmetry_hbond_refined 0.304 r_xyhbond_nbd_refined 0.265 r_symmetry_vdw_other 0.232 r_nbd_other 0.223 r_nbd_refined 0.196 r_nbtor_refined 0.175 r_mcbond_other 0.169 r_chiral_restr 0.146 r_nbtor_other 0.078 r_bond_refined_d 0.015 r_gen_planes_refined 0.01 r_bond_other_d 0.003 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 250 Nucleic Acid Atoms Solvent Atoms 38 Heterogen Atoms
Software Software Software Name Purpose PROTEUM PLUS data collection PHASER phasing REFMAC refinement PROTEUM PLUS data reduction PROTEUM PLUS data scaling