4M6N

Crystal structure of anti-IL-23 antibody CNTO1959 at pH 6.5


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52930.1 M MES, pH 6.5, 2.5 M sodium formate, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.8356.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.59α = 90
b = 92.05β = 90
c = 92.82γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray115CCDRIGAKU SATURN 944mirrors2007-03-06MSINGLE 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
123098.10.0656.43422534225-329.2
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)
122.0978.20.3352.8

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1AQK2153314133141108398.10.181530.181530.179880.2303RANDOM38
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]
-0.08-0.030.12
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.843
r_dihedral_angle_4_deg20.805
r_dihedral_angle_3_deg12.743
r_dihedral_angle_1_deg6.271
r_angle_refined_deg1.123
r_chiral_restr0.072
r_bond_refined_d0.006
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3214
Nucleic Acid Atoms
Solvent Atoms393
Heterogen Atoms6

Software

Software
Software NamePurpose
StructureStudiodata collection
PHASERphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling