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HUMAN B7-1/CTLA-4 CO-STIMULATORY COMPLEX
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1DR9 HUMAN B7-1 DIMER
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.3 298 16% PEG 8000, 0.1M CACODYLATE, PH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties Matthews coefficient Solvent content 6.26 58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 88.6 α = 90 b = 183.238 β = 90 c = 230.726 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 4 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 3 20 99.2 0.067 19.1 38815
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3 3.11 94.1 0.351 3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT HUMAN B7-1 DIMER 3 19.77 2 31405 1887 82.9 0.229 0.229 0.257 RANDOM 75.3
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] 36.05 -12.34 -23.71
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.4 c_scangle_it 4.57 c_mcangle_it 3.87 c_scbond_it 2.88 c_mcbond_it 2.2 c_angle_deg 1.6 c_improper_angle_d 0.85 c_bond_d 0.01 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.4 c_scangle_it 4.57 c_mcangle_it 3.87 c_scbond_it 2.88 c_mcbond_it 2.2 c_angle_deg 1.6 c_improper_angle_d 0.85 c_bond_d 0.01 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4834 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 274
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing