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Mycobacterium tuberculosis Anthranilate phosphoribosyltransferase in complex with bi-substrate inhibitor 453e
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3QR9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293.15 200 mM imidazole/malate, pH 7.5, 13-17 % PEG 4000, 0.5 mM MgCl2, 0.5 mM sodium pyrophosphate, 0.5 mM inhibitor 453e
Crystal Properties Matthews coefficient Solvent content 2.32 47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 94.926 α = 90 b = 78.305 β = 111.183 c = 101.694 γ = 90
Symmetry Space Group C 1 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 100 PIXEL DECTRIS EIGER X 16M 2025-08-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 0.95373 Australian Synchrotron MX2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 1.74 47.41 99.5 0.997 10.2 7 71446
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.74 1.77 90.5 0.715 1.7 6.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.74 47.41 71445 3622 99.41 0.171 0.1694 0.1817 0.1997 0.2119 22.887
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] 0.347 -0.847 -0.407 0.551
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_6_deg 16.305 r_dihedral_angle_3_deg 13.144 r_dihedral_angle_2_deg 12.348 r_lrange_it 6.274 r_lrange_other 6.184 r_dihedral_angle_1_deg 5.912 r_scangle_it 4.92 r_scangle_other 4.909 r_mcangle_other 3.549 r_mcangle_it 3.548
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_6_deg 16.305 r_dihedral_angle_3_deg 13.144 r_dihedral_angle_2_deg 12.348 r_lrange_it 6.274 r_lrange_other 6.184 r_dihedral_angle_1_deg 5.912 r_scangle_it 4.92 r_scangle_other 4.909 r_mcangle_other 3.549 r_mcangle_it 3.548 r_scbond_it 3.334 r_scbond_other 3.329 r_mcbond_it 2.429 r_mcbond_other 2.426 r_angle_refined_deg 1.724 r_angle_other_deg 0.611 r_symmetry_nbd_refined 0.243 r_nbd_refined 0.226 r_nbd_other 0.213 r_symmetry_nbd_other 0.189 r_nbtor_refined 0.177 r_xyhbond_nbd_refined 0.16 r_symmetry_xyhbond_nbd_refined 0.135 r_chiral_restr 0.089 r_symmetry_nbtor_other 0.077 r_symmetry_xyhbond_nbd_other 0.027 r_bond_refined_d 0.009 r_gen_planes_refined 0.008 r_chiral_restr_other 0.004 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4906 Nucleic Acid Atoms Solvent Atoms 492 Heterogen Atoms 118
Software Software Software Name Purpose REFMAC refinement XDS data reduction Aimless data scaling PHASER phasing