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A regulatable switch mediates self-association in an immunoglobulin fold
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.4 288 28% PEG 3350, 200 mM ammonium tartrate dibasic, pH 7.40, VAPOR DIFFUSION, SITTING DROP, temperature 288K
Crystal Properties Matthews coefficient Solvent content 2.59 52.58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.594 α = 104.38 b = 68.047 β = 94.15 c = 96.218 γ = 117.77
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12B NSLS X12B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.9 50 95.3 0.079 2.2 28565
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.9 3 96.5 0.363 2.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (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 Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2.9 50 28565 1539 94.77 0.2267 0.22475 0.2235 0.26393 0.2618 RANDOM 57.443
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] -0.86 -0.24 2.65 -2.42 2.36 4.6
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.168 r_dihedral_angle_3_deg 14.492 r_dihedral_angle_4_deg 12.324 r_dihedral_angle_1_deg 6.172 r_scangle_it 5.372 r_mcangle_it 4.899 r_scbond_it 3.74 r_mcbond_it 3.546 r_angle_refined_deg 0.895 r_nbtor_refined 0.294
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.168 r_dihedral_angle_3_deg 14.492 r_dihedral_angle_4_deg 12.324 r_dihedral_angle_1_deg 6.172 r_scangle_it 5.372 r_mcangle_it 4.899 r_scbond_it 3.74 r_mcbond_it 3.546 r_angle_refined_deg 0.895 r_nbtor_refined 0.294 r_nbd_refined 0.18 r_symmetry_vdw_refined 0.166 r_xyhbond_nbd_refined 0.109 r_metal_ion_refined 0.081 r_symmetry_hbond_refined 0.079 r_chiral_restr 0.068 r_bond_refined_d 0.006 r_gen_planes_refined 0.002 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9836 Nucleic Acid Atoms Solvent Atoms 76 Heterogen Atoms 22
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing