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T-to-THigh Quaternary Transitions in Human Hemoglobin: desArg141alpha deoxy low-salt
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1XXT PDB ENTRY 1XXT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 298 10% PEG 6000, 10 mM potassium phosphate, 100 mM potassium chloride, 3 mM sodium dithionite, 10 mg/ml Hb, pH 7.0, batch, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.56 51.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 96.9 α = 90 b = 99 β = 90 c = 65.9 γ = 90
Symmetry Space Group P 21 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 298 AREA DETECTOR SDMS GRAPHITE 1992-10-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 2.1 50 97.2 0.059 12.2 7 36277
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) 2.1 2.27 86.5 0.189 2.2 3.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 1XXT 2.1 10 2 35713 34434 3132 97.2 0.175 0.1775 0.242 0.2262 MATCHED TO PDB ENTRY 1XXT 25.05
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 p_transverse_tor 32.3 p_staggered_tor 21 p_scangle_it 7.075 p_scbond_it 5.387 p_mcangle_it 3.027 p_planar_tor 2.4 p_mcbond_it 2.359 p_xyhbond_nbd 0.187 p_multtor_nbd 0.167 p_singtor_nbd 0.161
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 32.3 p_staggered_tor 21 p_scangle_it 7.075 p_scbond_it 5.387 p_mcangle_it 3.027 p_planar_tor 2.4 p_mcbond_it 2.359 p_xyhbond_nbd 0.187 p_multtor_nbd 0.167 p_singtor_nbd 0.161 p_chiral_restr 0.135 p_hb_or_metal_coord 0.13 p_planar_d 0.043 p_angle_d 0.027 p_bond_d 0.011 p_plane_restr 0.011 p_angle_deg p_xhyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4358 Nucleic Acid Atoms Solvent Atoms 194 Heterogen Atoms 172
Software Software Software Name Purpose SDMS data collection SDMS data reduction X-PLOR model building PROLSQ refinement SDMS data scaling X-PLOR phasing