3DUT

The high salt (phosphate) crystal structure of deoxy hemoglobin E (GLU26LYS) at physiological pH (pH 7.35)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.352941.65 M potassium phosphate, 0.05 M Bis-Tris, pH 7.35, VAPOR DIFFUSION, SITTING DROP, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.1141.57

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.256α = 90
b = 79.632β = 98.66
c = 62.346γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2008-05-02SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X3A0.979NSLSX3A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.435093.90.04214.6489125
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.431.48720.652.96801

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.559.9971979358796.90.2210.2180.277RANDOM27.598
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]
-0.010.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.264
r_dihedral_angle_3_deg15.319
r_dihedral_angle_4_deg15.228
r_scbond_it5.909
r_dihedral_angle_1_deg5.655
r_mcangle_it3.225
r_angle_refined_deg1.936
r_scangle_it1.663
r_mcbond_it1.337
r_chiral_restr0.123
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.264
r_dihedral_angle_3_deg15.319
r_dihedral_angle_4_deg15.228
r_scbond_it5.909
r_dihedral_angle_1_deg5.655
r_mcangle_it3.225
r_angle_refined_deg1.936
r_scangle_it1.663
r_mcbond_it1.337
r_chiral_restr0.123
r_bond_refined_d0.017
r_gen_planes_refined0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4384
Nucleic Acid Atoms
Solvent Atoms430
Heterogen Atoms182

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling