3L5X

Crystal structure of the complex between IL-13 and H2L6 FAB


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52930.1 M MES PH 6.5, 14% PEG 3350, 0.2 M AMMONIUM TARTRATE. CRYO CONDITIONS: 0.1 M MES PH 6.5, 20% PEG 3K, 0.2 M AMM TARTRATE, 15% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2345

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.78α = 90
b = 73.02β = 90
c = 114.85γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 944VARIMAX HF2008-01-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.5418

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
11.96498.90.08414.516.34262142621-336.5
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)
1.91.9791.10.3922.33.8

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1Q9Q1.9154106141061132995.30.209030.196670.24679RANDOM48.7
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]
-0.03-0.270.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.122
r_scangle_it32.244
r_scbond_it30.884
r_dihedral_angle_4_deg14.49
r_dihedral_angle_3_deg13.932
r_mcangle_it6.704
r_dihedral_angle_1_deg6.404
r_mcbond_it4.38
r_angle_refined_deg1.387
r_nbtor_refined0.297
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.122
r_scangle_it32.244
r_scbond_it30.884
r_dihedral_angle_4_deg14.49
r_dihedral_angle_3_deg13.932
r_mcangle_it6.704
r_dihedral_angle_1_deg6.404
r_mcbond_it4.38
r_angle_refined_deg1.387
r_nbtor_refined0.297
r_nbd_refined0.202
r_symmetry_vdw_refined0.188
r_symmetry_hbond_refined0.162
r_xyhbond_nbd_refined0.119
r_chiral_restr0.093
r_bond_refined_d0.012
r_gen_planes_refined
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4122
Nucleic Acid Atoms
Solvent Atoms352
Heterogen Atoms18

Software

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