3EO9

Crystal structure the Fab fragment of Efalizumab


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP527715mM citric acid, 12% w/v PEG 3350, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.7355.01

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 87.198α = 90
b = 87.198β = 90
c = 117.223γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++Confocal2007-03-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418

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
11.82098.10.0830.0836.37.2481984728211
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)
1.81.8699.80.3730.3731.96.64699

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUTPDB ENTRY 1B2W1.8201145884449662347980.19070.19070.189320.21702RANDOM21.482
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]
-0.29-0.15-0.290.44
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg7.295
r_rigid_bond_restr2.558
r_scangle_it2.48
r_scbond_it2.378
r_sphericity_free2.141
r_angle_refined_deg1.297
r_mcangle_it1.151
r_sphericity_bonded1.13
r_mcbond_it0.664
r_nbd_refined0.223
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg7.295
r_rigid_bond_restr2.558
r_scangle_it2.48
r_scbond_it2.378
r_sphericity_free2.141
r_angle_refined_deg1.297
r_mcangle_it1.151
r_sphericity_bonded1.13
r_mcbond_it0.664
r_nbd_refined0.223
r_symmetry_hbond_refined0.156
r_symmetry_vdw_refined0.149
r_xyhbond_nbd_refined0.133
r_chiral_restr0.081
r_bond_refined_d0.008
r_gen_planes_refined0.004
r_gen_planes_other
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3274
Nucleic Acid Atoms
Solvent Atoms625
Heterogen Atoms

Software

Software
Software NamePurpose
CrystalCleardata collection
CNSrefinement
REFMACrefinement
CrystalCleardata reduction
CrystalCleardata scaling
CNSphasing