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T-to-THigh Quaternary Transitions in Human Hemoglobin: alphaY140F 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 2.57 52.07
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.1 α = 90 b = 99.5 β = 90 c = 66 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 1998-06-27 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 2.27 50 97.9 0.094 7.4 8.1 29663
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) 2.27 2.44 89.8 0.15 1.9 3.6
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 2.3 10 2 24070 24004 2179 0.169 0.1578 0.256 0.2298 MATCHED TO PDB ENTRY 1XXT
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 31.7 p_staggered_tor 21.6 p_scbond_it 6.275 p_mcangle_it 3.736 p_mcbond_it 2.61 p_planar_tor 2.6 p_xyhbond_nbd 0.192 p_multtor_nbd 0.179 p_singtor_nbd 0.165 p_hb_or_metal_coord 0.139
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 31.7 p_staggered_tor 21.6 p_scbond_it 6.275 p_mcangle_it 3.736 p_mcbond_it 2.61 p_planar_tor 2.6 p_xyhbond_nbd 0.192 p_multtor_nbd 0.179 p_singtor_nbd 0.165 p_hb_or_metal_coord 0.139 p_chiral_restr 0.139 p_planar_d 0.041 p_angle_d 0.026 p_bond_d 0.011 p_plane_restr 0.011 p_angle_deg p_scangle_it p_xhyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4378 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