1JCK

T-CELL RECEPTOR BETA CHAIN COMPLEXED WITH SEC3 SUPERANTIGEN


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5SOLUTION OF 20% PEG1000, 0.1M MGCL2, 0.025% AGAROSE, 0.1M TRIS-HCL PH 6.5 MIXED WITH AN EQUAL VOLUME OF PROTEIN SOLUTION (10MG/ML IN 20MM TRIS-HCL, 25MM NACL, PH 7.5). HANGING DROP METHOD., vapor diffusion - hanging drop
Crystal Properties
Matthew coefficientSolvent content
2.3750

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 82.4α = 90
b = 87.6β = 93.3
c = 71.4γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray278IMAGE PLATEMARRESEARCH1996-04-14M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-1SSRLBL7-1

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
13.589.10.1256.85.111314
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)
3.53.5681.30.2593.7

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 REPLACEMENTFREE RCRYSTAL STRUCTURES OF SEC3 AND TCR BETA3.5819604115782.80.2380.2380.328RANDOM33.4
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_d25.5
x_angle_deg1.7
x_improper_angle_d1.3
x_bond_d0.008
x_dihedral_angle_d_prot
x_angle_d_na
x_angle_d
x_angle_deg_na
x_angle_deg_prot
x_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d25.5
x_angle_deg1.7
x_improper_angle_d1.3
x_bond_d0.008
x_dihedral_angle_d_prot
x_angle_d_na
x_angle_d
x_angle_deg_na
x_angle_deg_prot
x_bond_d_na
x_dihedral_angle_d_na
x_angle_d_prot
x_bond_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 Atoms3770
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
HKL/DENZOdata collection
SCALEPACKdata scaling
X-PLORmodel building
X-PLORrefinement
HKLdata reduction
X-PLORphasing