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HIV-1 gp120 Envelope Glycoprotein (K231C, T257S, E268C, S334A, S375W) Complexed with CD4 and Antibody 17b
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GC1 pdb entry 1GC1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 298 7.0% PEG 8000, 8.0% MPD, 100 mM Na Citrate , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.96 58.46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 70.963 α = 90 b = 87.957 β = 90 c = 196.176 γ = 90
Symmetry Space Group P 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 MAR CCD 225 mm 2003-02-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-ID APS 22-ID
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 50 97.9 0.125 6.5 6.1 83769 82010 -3
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 2.07 87.5 0.444 3.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 pdb entry 1GC1 2 42.91 83704 74827 3989 94.16 0.20407 0.20211 0.201 0.24072 0.2377 RANDOM 32.662
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] -0.11 0.09 0.02
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.658 r_dihedral_angle_4_deg 15.935 r_dihedral_angle_3_deg 13.264 r_dihedral_angle_1_deg 5.138 r_scangle_it 1.806 r_scbond_it 1.056 r_angle_refined_deg 0.935 r_mcangle_it 0.727 r_mcbond_it 0.412 r_nbtor_refined 0.32
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.658 r_dihedral_angle_4_deg 15.935 r_dihedral_angle_3_deg 13.264 r_dihedral_angle_1_deg 5.138 r_scangle_it 1.806 r_scbond_it 1.056 r_angle_refined_deg 0.935 r_mcangle_it 0.727 r_mcbond_it 0.412 r_nbtor_refined 0.32 r_symmetry_hbond_refined 0.223 r_nbd_refined 0.208 r_xyhbond_nbd_refined 0.205 r_symmetry_vdw_refined 0.174 r_chiral_restr 0.059 r_bond_refined_d 0.005 r_gen_planes_refined 0.003 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_refined 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 7099 Nucleic Acid Atoms Solvent Atoms 512 Heterogen Atoms 213
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling CNS phasing