1JTO

Degenerate interfaces in antigen-antibody complexes


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.4300PEG 8000, potassium phosphate, , pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 300K
Crystal Properties
Matthew coefficientSolvent content
2.2745.77

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.68α = 90
b = 69.71β = 90
c = 113.68γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298DIFFRACTOMETERENRAF-NONIUS FAST1996-05-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEENRAF-NONIUS1.5418

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
12.52093.40.1140.1146.15.41782917829
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)
2.52.5684.80.420.421.83.21170

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 1MEL2.520194351710116660.2080.2080.17320.2397random
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]
-8.1163.4144.703
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3948
Nucleic Acid Atoms
Solvent Atoms49
Heterogen Atoms

Software

Software
Software NamePurpose
Enrafdata collection
SCALAdata scaling
AMoREphasing
CNSrefinement
ENRAFdata reduction
CCP4data scaling