7E98

Oxy-deoxy intermediate of 400 kDa giant hemoglobin at 21% oxygen saturation


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP829311-12 % (w/v) polyethylene glycol (PEG) 10,000, 10 mM CaCl2, 200 mM Tris-HCl pH 8.0
Crystal Properties
Matthews coefficientSolvent content
2.754.52

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 112.245α = 90
b = 112.245β = 90
c = 271.388γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95PIXELDECTRIS EIGER X 4M2016-11-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-1A1.100Photon FactoryBL-1A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.25099.70.190.99710.410.33375336.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.331.90.6661.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2ZFO2.247.841.3433732168699.650.18910.18750.219339.59
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
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.1754
f_angle_d0.6743
f_chiral_restr0.0332
f_plane_restr0.0027
f_bond_d0.0026
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4257
Nucleic Acid Atoms
Solvent Atoms338
Heterogen Atoms186

Software

Software
Software NamePurpose
PHENIXrefinement
PHASERphasing
XDSdata scaling
XDSdata processing
XDSdata reduction