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Structure of the C-terminal Domain of a Putative HIV-1 gp41 Fusion Intermediate
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 295 28% Jeffamine M600, 0.1M MES, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.13 42.13
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 33.957 α = 90 b = 33.957 β = 90 c = 174.838 γ = 120
Symmetry Space Group P 31 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 CCD ADSC QUANTUM 4 2003-07-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4A 0.9793,0.9796,0.9681 NSLS X4A
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 1.65 20.7 99.3 0.062 15.6 8.4 14912 14912 28
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 1.65 1.71 100 0.485 5.2 8.7 1470
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 (All) 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 MAD THROUGHOUT 1.65 20.7 14912 14912 752 99.3 0.23288 0.23288 0.23156 0.2333 0.2593 0.2673 RANDOM 31.224
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] 0.75 0.38 0.75 -1.13
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.451 r_dihedral_angle_3_deg 15.423 r_dihedral_angle_4_deg 7.58 r_scangle_it 4.552 r_dihedral_angle_1_deg 3.5 r_scbond_it 3.145 r_mcangle_it 2.149 r_angle_refined_deg 1.722 r_mcbond_it 1.202 r_nbtor_refined 0.313
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.451 r_dihedral_angle_3_deg 15.423 r_dihedral_angle_4_deg 7.58 r_scangle_it 4.552 r_dihedral_angle_1_deg 3.5 r_scbond_it 3.145 r_mcangle_it 2.149 r_angle_refined_deg 1.722 r_mcbond_it 1.202 r_nbtor_refined 0.313 r_symmetry_vdw_refined 0.252 r_nbd_refined 0.231 r_xyhbond_nbd_refined 0.162 r_symmetry_hbond_refined 0.151 r_symmetry_metal_ion_refined 0.129 r_chiral_restr 0.127 r_metal_ion_refined 0.057 r_bond_refined_d 0.018 r_gen_planes_refined 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 829 Nucleic Acid Atoms Solvent Atoms 47 Heterogen Atoms 37
Software Software Software Name Purpose ADSC data collection SOLVE phasing REFMAC refinement DENZO data reduction SCALEPACK data scaling