6HBW

Crystal structure of deoxy-human hemoglobin beta6 glu->trp


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2HHB 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17PROTEIN WAS RESUSPENDED IN 30 MM PHOSPHATE BUFFER, PH 7.0, DEOXYGENATED AND CONCENTRATED TO 160 MG/ML. PROTEIN WAS CRYSTALLIZED IN AN ANAEROBIC CHAMBER IN TUBE CONTAINING 10 UL PROTEIN SOLUTION, 5 UL CITRATE BUFFER (PH 4.0), AND 4UL OF 33% PEG 8K.
Crystal Properties
Matthews coefficientSolvent content
2.2946.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.95α = 90
b = 81.28β = 90
c = 111.35γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IICCOLLIMATOR1996-03-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
1210089.20.0763.235597213.8
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
22.0970.30.371

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-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2HHB220233002335484.60.1980.1980.264RANDOM14
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
x_dihedral_angle_d19.5
x_scbond_it13.55
x_scangle_it8.84
x_mcangle_it2.25
x_improper_angle_d1.68
x_angle_deg1.6
x_mcbond_it1.54
x_bond_d0.012
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d19.5
x_scbond_it13.55
x_scangle_it8.84
x_mcangle_it2.25
x_improper_angle_d1.68
x_angle_deg1.6
x_mcbond_it1.54
x_bond_d0.012
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4394
Nucleic Acid Atoms
Solvent Atoms369
Heterogen Atoms172

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
X-PLORrefinement