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CRYSTAL STRUCTURES OF ESCHERICHIA COLI GLYCEROL KINASE AND THE MUTANT A65T IN AN INACTIVE TETRAMER: CONFORMATIONAL CHANGES AND IMPLICATIONS FOR ALLOSTERIC REGULATION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GLA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 pH 6.50
Crystal Properties Matthews coefficient Solvent content 2.65 53.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 92.1 α = 90 b = 117.4 β = 93.1 c = 108.4 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 AREA DETECTOR SDMS 1990-08-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 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 2.62 20 84 0.076 3 58942 2 20.9
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1GLA 2.62 20 58942 84 0.146 0.138
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]
RMS Deviations Key Refinement Restraint Deviation t_dihedral_angle_d 20.904 t_it 9.87 t_angle_deg 2.99 t_nbd 0.034 t_bond_d 0.02 t_gen_planes 0.019 t_trig_c_planes 0.017 t_incorr_chiral_ct t_pseud_angle
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 15639 Nucleic Acid Atoms Solvent Atoms 200 Heterogen Atoms 142
Software Software Software Name Purpose FRFSUM model building UNPUBLISHED model building TNT refinement SDMS data reduction SDMS data scaling FRFSUM phasing UNPUBLISHED phasing