4M4A

Human Hemoglobin Nitromethane Modified


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3D7OPDB entry 3D7O

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIQUID DIFFUSION6.8295sodium phosphate, potassium phosphate, toluene, pH 6.8, LIQUID DIFFUSION, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.2244.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.573α = 90
b = 53.573β = 90
c = 191.87γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++Osmic2009-01-22MSINGLE 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
12.0521.497.70.0879.26.13184411802322
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)
12.052.1292.90.234.86.441661

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 3D7O2.0521.41.35184411798590697.530.22670.22390.2799Random50.9
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]
0.05380.0538-0.1076
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.553
f_angle_d1.088
f_chiral_restr0.065
f_bond_d0.008
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2180
Nucleic Acid Atoms
Solvent Atoms144
Heterogen Atoms110

Software

Software
Software NamePurpose
CrystalCleardata collection
PHASERphasing
PHENIXrefinement
d*TREKdata reduction
d*TREKdata scaling