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Structure of the gp41 N-trimer in complex with the HIV entry inhibitor PIE7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 6.5 298 0.1M MES, 0.2M NaCl, 10 mM zinc sulfate, 25% PEG 550 MME, pH 6.5, vapor diffusion, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.22 44.64
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.024 α = 90 b = 106.201 β = 90 c = 76.7 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 IMAGE PLATE RIGAKU RAXIS IV 2007-04-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.541
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 1.95 50 99.8 0.076 11.2 5.7 14410 14381
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 1.95 2.02 99.3 0.559 4.8 1393
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 2 26.54 14378 13329 1027 99.85 0.209 0.203 0.2169 0.279 0.2782 RANDOM, TOTAL REFLECTIONS OVER 1000 in RFREE SET 27.962
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] -0.3 1.44 -1.14
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 43.718 r_dihedral_angle_4_deg 19.147 r_dihedral_angle_3_deg 18.36 r_scangle_it 4.678 r_dihedral_angle_1_deg 4.337 r_scbond_it 3.166 r_mcangle_it 1.891 r_mcbond_it 1.226 r_angle_refined_deg 1.146 r_nbtor_refined 0.291
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 43.718 r_dihedral_angle_4_deg 19.147 r_dihedral_angle_3_deg 18.36 r_scangle_it 4.678 r_dihedral_angle_1_deg 4.337 r_scbond_it 3.166 r_mcangle_it 1.891 r_mcbond_it 1.226 r_angle_refined_deg 1.146 r_nbtor_refined 0.291 r_symmetry_vdw_refined 0.27 r_nbd_refined 0.191 r_xyhbond_nbd_refined 0.146 r_symmetry_hbond_refined 0.106 r_chiral_restr 0.075 r_bond_refined_d 0.013 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1524 Nucleic Acid Atoms Solvent Atoms 132 Heterogen Atoms 15
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction CrystalClear data collection