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the receptor-binding domain of human B7-2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 277 PEG4000, NaAC, Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.07 40.18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 56.69 α = 90 b = 63.01 β = 90 c = 58.61 γ = 90
Symmetry Space Group P 21 21 2
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 1999-01-01 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X9B 0.96110, 0.98000, 0.98019 NSLS X9B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.7 19.83 95.5 5843 5843 31.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.7 2.8 90.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2.7 19.83 2 5842 629 95.6 0.258 0.252 0.214 0.2137 0.278 0.2795 RANDOM 21.94
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] 9.98 -3.55 -6.43
RMS Deviations Key Refinement Restraint Deviation x_torsion_deg 26.8 x_scangle_it 3.67 x_mcangle_it 2.55 x_scbond_it 2.55 x_mcbond_it 1.53 x_angle_deg 1.4 x_torsion_impr_deg 0.63 x_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1804 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling SOLVE phasing