4NI1

Quaternary R CO-liganded hemoglobin structure in complex with a thiol containing compound


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1LJWPDB ENTRY 1LJW

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIQUID DIFFUSION6.429820-30mg/mL protein, 3.0-3.4 M sodium/potassium phosphate, pH 6.4, LIQUID DIFFUSION, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1843.65

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.12α = 90
b = 53.12β = 90
c = 192.1γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++2013-09-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-0071.5418

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
11.929.692.20.06814.57.6209872098731.4
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)
11.91.9792.40.3895.48.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB ENTRY 1LJW1.929.592091120911106792.10.2180.2070.2070.259RANDOM38.7
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]
1.761.76-3.51
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d18.5
c_angle_deg2
c_improper_angle_d1.44
c_bond_d0.014
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2169
Nucleic Acid Atoms
Solvent Atoms233
Heterogen Atoms168

Software

Software
Software NamePurpose
CrystalCleardata collection
CNSrefinement
d*TREKdata reduction
d*TREKdata scaling
CNSphasing