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T-to-THigh Quaternary Transitions in Human Hemoglobin: alphaL91A 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 ammonium 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 2.55 51.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.1 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 1998-11-08 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 2.11 50 97.6 0.09 7.4 6.9 36432
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) 2.11 2.27 88.2 0.252 1.7 3.3
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 TROUGHOUT PDB ENTRY 1XXT 2.11 10 2 35561 34090 3089 0.176 0.1666 0.248 0.2212 MATCHED TO PDB ENTRY 1XXT 24.47
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 32.5 p_staggered_tor 20.8 p_scangle_it 6.772 p_scbond_it 5.283 p_mcangle_it 2.956 p_planar_tor 2.1 p_mcbond_it 2.089 p_multtor_nbd 0.17 p_xyhbond_nbd 0.17 p_singtor_nbd 0.16
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 32.5 p_staggered_tor 20.8 p_scangle_it 6.772 p_scbond_it 5.283 p_mcangle_it 2.956 p_planar_tor 2.1 p_mcbond_it 2.089 p_multtor_nbd 0.17 p_xyhbond_nbd 0.17 p_singtor_nbd 0.16 p_hb_or_metal_coord 0.144 p_chiral_restr 0.125 p_planar_d 0.037 p_angle_d 0.022 p_bond_d 0.009 p_plane_restr 0.009 p_angle_deg p_xhyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4374 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