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Crystal Structure of Apo UDP-N-acetylmuramoylalanine--D-glutamate ligase (MurD) from E. coli (ATP bound)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8V8Y
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 291 Morpheus A8: 12.5%(v/v) MPD, 12.5%(v/v) PEG 1000, 12.5%(w/v) PEG 3350, 100 mM HEPES/MOPS, pH 7.5, 30 mM MgCl2 and 30 mM CaCl2, 2% (v/v) DMSO. EscoA.17938.a.AE1.PW39153 at 17.4 mg/mL. 4 hour soak in 5 mM ATP. plate 13768 well E4 drop 1 or 2. Puck: PSL-1106, Cryo: direct
Crystal Properties Matthews coefficient Solvent content 2.14 42.61
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 58.456 α = 90 b = 69.944 β = 90 c = 100.534 γ = 90
Symmetry Space Group P 21 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 XE 9M 2023-12-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 19-ID 0.9785 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 1.95 44.85 99.9 0.125 0.133 0.046 0.998 10.7 7.8 30773
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 1.95 2 100 1.151 1.23 0.428 0.826 7.8
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 1.95 44.85 1.34 30654 1528 99.71 0.1723 0.1696 0.1781 0.2249 0.2272
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 15.281 f_angle_d 0.934 f_chiral_restr 0.056 f_bond_d 0.008 f_plane_restr 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3263 Nucleic Acid Atoms Solvent Atoms 143 Heterogen Atoms 50
Software Software Software Name Purpose PHENIX refinement Aimless data scaling XDS data reduction PHASER phasing