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Crystal structure of anti-HIV llama VHH antibody A12 in complex with C186 gp120
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.8 293 50 mM of KH2PO4, 24.2% PEG 8000, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.54 51.62
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.6 α = 90 b = 66.6 β = 90 c = 266.92 γ = 90
Symmetry Space Group P 43 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 CCD MARMOSAIC 225 mm CCD 2010-04-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM 1 APS 22-BM
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 2.601 50 68.2 13406 1 1
Refinement Statistics Diffraction ID Structure Solution 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 2.601 23.473 1.33 13402 659 68.98 0.26 0.2572 0.2551 0.2616 0.2988 0.2954
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] -33.1835 -33.1835 -15.7071
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.461 f_angle_d 0.883 f_chiral_restr 0.055 f_bond_d 0.004 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3278 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 112
Software Software Software Name Purpose SERGUI data collection PHASER phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling