3D7O

Human hemoglobin, nitrogen dioxide anion modified


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIQUID DIFFUSION6.8295Sodium phosphate, Potassium phosphate, Toluene, Hemoglobin, pH 6.8, LIQUID DIFFUSION, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.2144.43

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.538α = 90
b = 53.538β = 90
c = 191.77γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVOsmic2008-05-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.5418

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
11.816.3799.80.08210.27.7426808268082236.6
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)
1.81.8698.30.4572.94.22558

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB Entry 1IRD1.816.37222680526803134799.550.2370.2080.2060.237RANDOM28.993
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]
-0.05-0.050.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.389
r_dihedral_angle_3_deg14.986
r_dihedral_angle_4_deg12.709
r_dihedral_angle_1_deg5.193
r_scangle_it3.477
r_scbond_it2.384
r_mcangle_it1.551
r_angle_refined_deg1.522
r_mcbond_it1.011
r_symmetry_vdw_refined0.306
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.389
r_dihedral_angle_3_deg14.986
r_dihedral_angle_4_deg12.709
r_dihedral_angle_1_deg5.193
r_scangle_it3.477
r_scbond_it2.384
r_mcangle_it1.551
r_angle_refined_deg1.522
r_mcbond_it1.011
r_symmetry_vdw_refined0.306
r_nbtor_refined0.299
r_nbd_refined0.218
r_xyhbond_nbd_refined0.157
r_symmetry_hbond_refined0.121
r_chiral_restr0.113
r_metal_ion_refined0.035
r_bond_refined_d0.017
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2217
Nucleic Acid Atoms
Solvent Atoms152
Heterogen Atoms99

Software

Software
Software NamePurpose
d*TREKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
CrystalCleardata collection
d*TREKdata reduction