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Crystal structure of clade C gp120 in complex with sCD4 and 21c Fab
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 293 20% (w/v) PEG monomethyl ether 2000, 5% (v/v) PEG 200, 0.2 M Trimethylamine N-oxide, 0.1 M Tris-HCl pH 8.5 , VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.16 61.07
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.73 α = 90 b = 187.93 β = 90 c = 151.67 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 MARMOSAIC 325 mm CCD Flat mirror, double crystal monochromator, vertical and horizontal focussing mirrors 2009-06-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL12-2 0.953 SSRL BL12-2
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 3.4 84 79 0.12 3.5 14975 1 1
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) 3.4 3.58 0.705 1.9
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 3.4 84 14967 83 79.6 0.234 0.2414 0.322 0.2567 Random 5%, reduced to 0.5% for final rounds of refinement.
R values were recorded before the final refinement rounds. 101.992
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] -0.42 -1.107 1.527
RMS Deviations Key Refinement Restraint Deviation c_angle_d 3.475 c_bond_d 0.024
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6889 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 56
Software Software Software Name Purpose CNS refinement PDB_EXTRACT data extraction Blu-Ice data collection MOSFLM data reduction SCALA data scaling PHASER phasing