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T-to-THigh Quaternary Transitions in Human Hemoglobin: alphaP95A 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 51.95
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.2 α = 90 b = 99.1 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 1999-03-07 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 0.114 7.4 6.5 36004
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 2.28 86.7 0.227 1.9 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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1XXT 2.11 10 2 35207 33086 2995 0.17 0.246 0.1976 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 32.1 p_staggered_tor 20.6 p_scangle_it 7.751 p_scbond_it 6.17 p_mcangle_it 3.474 p_mcbond_it 2.555 p_planar_tor 2.3 p_xyhbond_nbd 0.18 p_multtor_nbd 0.174 p_singtor_nbd 0.166
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 32.1 p_staggered_tor 20.6 p_scangle_it 7.751 p_scbond_it 6.17 p_mcangle_it 3.474 p_mcbond_it 2.555 p_planar_tor 2.3 p_xyhbond_nbd 0.18 p_multtor_nbd 0.174 p_singtor_nbd 0.166 p_chiral_restr 0.137 p_hb_or_metal_coord 0.127 p_planar_d 0.041 p_angle_d 0.026 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 4376 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