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Crystal structure of Glutamate-tRNA synthetase GluRS from Chlamydia pneumoniae in complex with O5'-(L-GLUTAMYL-SULFAMOYL)-ADENOSINE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9Y81
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 291 Proplex F1: 0.1M HEPES pH 7.0, 20% PEG 8000. ChpnA.01348.a.UX11.PS38780 at 8 mg/mL. 2 mM GSU added to the protein prior to crystallization. 20179 F1 drop 1, Puck: PSL-0609, Cryo: 20% glycerol + 80% crystallant
Crystal Properties Matthews coefficient Solvent content 2.7 54.52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 56.009 α = 90 b = 132.244 β = 107.42 c = 92.721 γ = 90
Symmetry Space Group P 1 21 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 EIGER2 XE 9M 2025-10-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 19-ID 0.9786 NSLS-II 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 2.8 88.47 99.8 0.124 0.134 0.051 0.998 12.9 6.9 31695
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.87 100 1.69 1.82 0.672 0.723 7.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2.8 73.53 1.35 31619 1626 99.61 0.2336 0.2325 0.2354 0.2535 0.2518
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.028 f_angle_d 0.6 f_chiral_restr 0.04 f_plane_restr 0.005 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7577 Nucleic Acid Atoms Solvent Atoms 3 Heterogen Atoms 66
Software Software Software Name Purpose PHENIX refinement Aimless data scaling XDS data reduction PHASER phasing PDB_EXTRACT data extraction