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Mycobacterium tuberculosis Anthranilate phosphoribosyltransferase in complex with bi-substrate inhibitor 301f
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 301f
Crystal Properties Matthews coefficient Solvent content 2.3 46.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.037 α = 90 b = 80.69 β = 90 c = 110.968 γ = 90
Symmetry Space Group P 2 21 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 PIXEL DECTRIS EIGER2 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 1.6 45.719 100 0.999 13.4 13.7 93026 21.1
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 1.6 1.63 100 0.63 1.4 14
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.6 45.719 92943 4817 99.967 0.188 0.1856 0.1956 0.2245 0.2344 RANDOM 23.929
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] -0.253 0.36 -0.107
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_6_deg 15.737 r_dihedral_angle_2_deg 13.167 r_dihedral_angle_3_deg 11.879 r_lrange_other 6.26 r_lrange_it 6.259 r_dihedral_angle_1_deg 6.005 r_scangle_it 4.811 r_scangle_other 4.811 r_scbond_it 3.424 r_scbond_other 3.424
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_6_deg 15.737 r_dihedral_angle_2_deg 13.167 r_dihedral_angle_3_deg 11.879 r_lrange_other 6.26 r_lrange_it 6.259 r_dihedral_angle_1_deg 6.005 r_scangle_it 4.811 r_scangle_other 4.811 r_scbond_it 3.424 r_scbond_other 3.424 r_mcangle_other 3.352 r_mcangle_it 3.351 r_mcbond_it 2.376 r_mcbond_other 2.371 r_angle_refined_deg 1.812 r_angle_other_deg 0.625 r_symmetry_nbd_refined 0.274 r_nbd_other 0.254 r_nbd_refined 0.225 r_symmetry_nbd_other 0.198 r_symmetry_xyhbond_nbd_refined 0.198 r_nbtor_refined 0.18 r_chiral_restr 0.158 r_xyhbond_nbd_refined 0.155 r_symmetry_nbtor_other 0.079 r_symmetry_xyhbond_nbd_other 0.057 r_metal_ion_refined 0.018 r_chiral_restr_other 0.011 r_bond_refined_d 0.01 r_gen_planes_refined 0.009 r_bond_other_d 0.003 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4983 Nucleic Acid Atoms Solvent Atoms 565 Heterogen Atoms 173
Software Software Software Name Purpose REFMAC refinement Aimless data scaling XDS data reduction MOLREP phasing PDB_EXTRACT data extraction