5ICX

Cetuximab Fab in complex with CQFDLSTRRLRCGGSK meditope


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52930.1 M CITRIC ACID, 0.1 M SODIUM HYDROGEN PHOSPHATE, 0.4 M POTASSIUM HYDROGEN PHOSPHATE, 1.6 M SODIUM DIHYDROGEN PHOSPHATE, PH 5.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K
Crystal Properties
Matthew coefficientSolvent content
2.8757.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.22α = 90
b = 82.53β = 90
c = 212.53γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++2011-12-15MSINGLE 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
12.63395.80.08216.794.35341632
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)
12.62.6793.70.3384.654.36

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE4GW12.6331.9934159170995.90.1790.1770.222
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.365
f_angle_d0.799
f_chiral_restr0.053
f_bond_d0.004
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6706
Nucleic Acid Atoms
Solvent Atoms341
Heterogen Atoms34

Software

Software
Software NamePurpose
XDSdata reduction
XSCALEdata scaling
MOLREPphasing
PHENIXrefinement