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Nitroxide Spin Labels in Protein GB1: N8/K28 Double Mutant
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2QMT PDB 2QMT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.5 298 150 mM sodium acetate pH 4.5, 18% w/v PEG 3350 , VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.66 53.76
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 105.248 α = 90 b = 35.747 β = 126.37 c = 86.989 γ = 90
Symmetry Space Group C 1 2 1
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 RIGAKU SATURN 944 Rigaku VariMax Optics 2011-07-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR-E SUPERBRIGHT 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 27.3 98.8 0.049 15.5 3.4 17743
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 2QMT 2 25 16835 907 98.73 0.2313 0.22818 0.2244 0.28793 0.2798 RANDOM 36.042
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] 1.15 -0.2 -0.02 -1.37
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.572 r_dihedral_angle_3_deg 16.494 r_dihedral_angle_1_deg 6.109 r_angle_refined_deg 2.165 r_angle_other_deg 1.705 r_chiral_restr 0.111 r_bond_refined_d 0.018 r_gen_planes_refined 0.01 r_bond_other_d 0.009 r_gen_planes_other 0.008
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.572 r_dihedral_angle_3_deg 16.494 r_dihedral_angle_1_deg 6.109 r_angle_refined_deg 2.165 r_angle_other_deg 1.705 r_chiral_restr 0.111 r_bond_refined_d 0.018 r_gen_planes_refined 0.01 r_bond_other_d 0.009 r_gen_planes_other 0.008 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_mcbond_it r_mcbond_other r_mcangle_it r_scbond_it r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1724 Nucleic Acid Atoms Solvent Atoms 129 Heterogen Atoms 93
Software Software Software Name Purpose StructureStudio data collection PHASER phasing REFMAC refinement d*TREK data reduction d*TREK data scaling