1M47

Crystal Structure of Human Interleukin-2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7298pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1542.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.465α = 90
b = 84.777β = 90
c = 31.712γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCH2002-01-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-11.08SSRLBL7-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.951098.50.0610.06113.29522952217.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.952.0591.90.3910.3913.3855

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.99159020902047798.080.221180.221180.219950.24452RANDOM24.25
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]
-0.470.410.06
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg14.826
r_scangle_it4.028
r_mcangle_it3.668
r_scbond_it2.381
r_dihedral_angle_1_deg2.168
r_mcbond_it2.008
r_angle_refined_deg0.971
r_symmetry_vdw_refined0.255
r_nbd_refined0.236
r_xyhbond_nbd_refined0.153
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg14.826
r_scangle_it4.028
r_mcangle_it3.668
r_scbond_it2.381
r_dihedral_angle_1_deg2.168
r_mcbond_it2.008
r_angle_refined_deg0.971
r_symmetry_vdw_refined0.255
r_nbd_refined0.236
r_xyhbond_nbd_refined0.153
r_symmetry_hbond_refined0.118
r_chiral_restr0.09
r_bond_refined_d0.003
r_gen_planes_refined0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms999
Nucleic Acid Atoms
Solvent Atoms46
Heterogen Atoms10

Software

Software
Software NamePurpose
MAR345data collection
SCALAdata scaling
AMoREphasing
REFMACrefinement
CCP4data scaling