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Capturing the haemoglobin allosteric transition in a single crystal form; Crystal structure of half-liganded human haemoglobin without phosphate at 2.8 A resolution.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 microbatch under paraffin oil 7.6 298 pH 7.6, microbatch under paraffin oil, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.32 46.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 228.331 α = 90 b = 55.531 β = 103.08 c = 139.681 γ = 90
Symmetry Space Group C 1 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 270 mirrors 2010-10-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PHOTON FACTORY BEAMLINE BL-17A 1.0 Photon Factory BL-17A
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 2.8 50 97.8 0.058 22.3 5 41293 41293
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) 1 2.8 2.85 83 0.302
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 2.809 20 41199 2032 97.7 0.259 0.2573 0.2867 0.2878 92.2965
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] -22.9 6.604 2.508 20.392
RMS Deviations Key Refinement Restraint Deviation f_scangle_it 2.654 f_mcangle_it 2.355 f_scbond_it 1.68 f_angle_d 1.472 f_mcbond_it 1.352 f_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 13140 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 516
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data collection CNS refinement