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Structures of an Insect Epsilon-class Glutathione S-transferase from the Malaria Vector Anopheles Gambiae: Evidence for High DDT-detoxifying Activity
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2IL3 PDB ID: 2IL3
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.9 293 0.2M sodium iodide and 20% w/v Polyethylene Glycerol 3350 in final pH 6.9, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 1.98 37.95
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 49.512 α = 90 b = 85.481 β = 90 c = 93.265 γ = 90
Symmetry Space Group P 21 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 93 CCD MARRESEARCH 2006-06-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-ID 0.979 APS 22-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.9 50 89.9 0.153 0.153 5.7 4.6 29122 29122 19.63
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.9 1.97 55.6 0.43 0.014 5.7 2.6 1755
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 (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 MOLECULAR REPLACEMENT THROUGHOUT PDB ID: 2IL3 1.9 50 28750 28750 1476 90 0.199 0.199 0.196 0.1979 0.26 0.2606 RANDOM 22.657
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] -1.06 -0.94 2
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.662 r_dihedral_angle_4_deg 19.596 r_dihedral_angle_3_deg 17.24 r_dihedral_angle_1_deg 7.081 r_scangle_it 4.689 r_scbond_it 3.152 r_angle_refined_deg 1.944 r_mcangle_it 1.848 r_mcbond_it 1.151 r_nbtor_refined 0.307
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.662 r_dihedral_angle_4_deg 19.596 r_dihedral_angle_3_deg 17.24 r_dihedral_angle_1_deg 7.081 r_scangle_it 4.689 r_scbond_it 3.152 r_angle_refined_deg 1.944 r_mcangle_it 1.848 r_mcbond_it 1.151 r_nbtor_refined 0.307 r_symmetry_vdw_refined 0.242 r_nbd_refined 0.223 r_xyhbond_nbd_refined 0.199 r_symmetry_hbond_refined 0.18 r_chiral_restr 0.131 r_bond_refined_d 0.024 r_gen_planes_refined 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3478 Nucleic Acid Atoms Solvent Atoms 166 Heterogen Atoms 52
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling MOLREP phasing REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling