1QOK

MFE-23 AN ANTI-CARCINOEMBRYONIC ANTIGEN SINGLE-CHAIN FV ANTIBODY


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5291CRYSTALS WERE GROWN BY THE HANGING-DROP VAPOUR DIFFUSION METHOD AT 18 DEGREES (CELSIUS). PROTEIN SOLUTION (2 MG/ML) WAS MIXED 1:1 WITH 100 MM TRIS-HCL (PH6.5) CONTAINING 45% SATURATED AMMONIUM SULPHATE. A 10 UL DROPLET OF THIS MIXTURE WAS EQULIBRATED AGAINST 0.5 ML 100 MM TRIS-HCL (PH6.5) IN 45% AMMONIUM SULPHATE., pH 6.50
Crystal Properties
Matthews coefficientSolvent content
2.2443

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.7α = 90
b = 61.7β = 90
c = 128γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray291IMAGE PLATER-AXIS IICOLLIMATOR1994-03-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

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
12.41599.60.0824.45.311539330.7
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)
12.42.531000.1893.25.1

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-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT EXCEPT FOR FINAL REFINEMENT CYCLE2FBJ2.482115099331000.2050.2050.267RANDOM25.1
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
x_dihedral_angle_d28
x_angle_deg1.68
x_improper_angle_d1.32
x_bond_d0.01
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d28
x_angle_deg1.68
x_improper_angle_d1.32
x_bond_d0.01
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1731
Nucleic Acid Atoms
Solvent Atoms96
Heterogen Atoms

Software

Software
Software NamePurpose
X-PLORrefinement
DENZOdata reduction
CCP4data scaling
X-PLORphasing