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THIOREDOXIN A ACTIVE SITE MUTANTS FORM MIXED DISULFIDE DIMERS THAT RESEMBLE ENZYME-SUBSTRATE REACTION INTERMEDIATE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2TRX POLYSERINE MODEL OF PDB ENTRY 2TRX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.8 0.1 M TRIS PH 7.8, 0.1 M MAGNESIUM CHLORIDE, 4% ACETONITRILE, 35% PEG 4000
Crystal Properties Matthews coefficient Solvent content 2.13 42.35
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 36.765 α = 83.33 b = 38.395 β = 66.62 c = 41.878 γ = 78.08
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 MARRESEARCH MIRRORS 2006-03-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 ESRF BM14
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 1.5 50 94.5 0.07 15.6 2.8 31147 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.5 1.55 90.1 0.34 1.9 2.4
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 POLYSERINE MODEL OF PDB ENTRY 2TRX 1.5 22.95 29577 1570 100 0.188 0.185 0.1847 0.237 0.2364 RANDOM 18.18
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] 1.57 0.06 -0.59 -0.46 -0.97 -0.44
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.289 r_dihedral_angle_3_deg 14.098 r_dihedral_angle_1_deg 6.819 r_scangle_it 4.667 r_scbond_it 3.088 r_angle_refined_deg 2.048 r_mcangle_it 1.963 r_mcbond_it 1.327 r_nbtor_refined 0.317 r_nbd_refined 0.259
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.289 r_dihedral_angle_3_deg 14.098 r_dihedral_angle_1_deg 6.819 r_scangle_it 4.667 r_scbond_it 3.088 r_angle_refined_deg 2.048 r_mcangle_it 1.963 r_mcbond_it 1.327 r_nbtor_refined 0.317 r_nbd_refined 0.259 r_xyhbond_nbd_refined 0.198 r_symmetry_hbond_refined 0.172 r_symmetry_vdw_refined 0.164 r_chiral_restr 0.135 r_bond_refined_d 0.021 r_gen_planes_refined 0.011 r_bond_other_d r_angle_other_deg r_dihedral_angle_4_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1629 Nucleic Acid Atoms Solvent Atoms 254 Heterogen Atoms 7
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling PHASER phasing