2ADG

Crystal structure of monoclonal anti-CD4 antibody Q425


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.5298PEG4000, Sodium Acetate, EDTA, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties
Matthews coefficientSolvent content
2.73755.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.715α = 90
b = 97.715β = 90
c = 112.2γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298AREA DETECTORXUONG-HAMLIN MULTIWIRE1994-01-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.51094.40.0987.33.818319183192215.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.52.6178.8

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 1FVD2.510183191831989496.20.2440.2030.2030.244RANDOM31
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]
0.520.52-1.04
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d27.5
c_scangle_it2.7
c_mcangle_it2.19
c_scbond_it1.68
c_angle_deg1.4
c_mcbond_it1.23
c_improper_angle_d0.82
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3264
Nucleic Acid Atoms
Solvent Atoms67
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
XUONG-HAMLINdata reduction
CCP4data scaling
ROTAVATAdata scaling
CNSphasing