2V2X | pdb_00002v2x

T cell cross-reactivity and conformational changes during TCR engagement.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1HHIPDB ENTRY 1HHI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.5pH 6.5
Crystal Properties
Matthews coefficientSolvent content
2.1451.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.308α = 81.83
b = 63.606β = 76.21
c = 74.744γ = 77.73
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX14.2SRSPX14.2

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
11.62086.50.06142.12115042
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)
11.61.66430.61.251.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1HHI1.672.1795676503987.20.1940.1920.190.2380.24RANDOM22.02
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]
0.540.370.83-0.22-0.05-0.86
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.303
r_dihedral_angle_4_deg14.95
r_dihedral_angle_3_deg13.186
r_dihedral_angle_1_deg6.005
r_scangle_it3.396
r_scbond_it2.283
r_mcangle_it1.433
r_angle_refined_deg1.393
r_mcbond_it0.924
r_nbtor_refined0.301
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6210
Nucleic Acid Atoms
Solvent Atoms1323
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
EPMRphasing