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The crystal structure of the extended spectrum beta-lactamase TEM-72 reveals inhibition by citrate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ZG4
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 298 0.1 M sodium citrate, 0.2 M ammonium acetate, 30% PEG 4000, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.08 40.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 60.63 α = 90 b = 90.212 β = 90 c = 96.047 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 CCD ADSC QUANTUM 315r SILICON TOROIDAL MIRROR COATED WITH RHODIUM 2005-04-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-1 1.008 ESRF ID23-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.1 37.64 98.6 0.107 9 2.6 30846 30846 17.59
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.21 98 0.343 2.9 2.6 4389
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1ZG4 2.1 28.91 28170 2802 100 0.20824 0.20092 0.28288 0.27 RANDOM 21.77
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] 0.01 -0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.422 r_dihedral_angle_3_deg 17.717 r_dihedral_angle_4_deg 17.394 r_dihedral_angle_1_deg 6.314 r_scangle_it 4.747 r_scbond_it 3.064 r_angle_refined_deg 1.943 r_mcangle_it 1.697 r_mcbond_it 0.978 r_chiral_restr 0.129
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.422 r_dihedral_angle_3_deg 17.717 r_dihedral_angle_4_deg 17.394 r_dihedral_angle_1_deg 6.314 r_scangle_it 4.747 r_scbond_it 3.064 r_angle_refined_deg 1.943 r_mcangle_it 1.697 r_mcbond_it 0.978 r_chiral_restr 0.129 r_bond_refined_d 0.022 r_gen_planes_refined 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4056 Nucleic Acid Atoms Solvent Atoms 245 Heterogen Atoms 40
Software Software Software Name Purpose ADSC data collection MOLREP phasing REFMAC refinement MOSFLM data reduction SCALA data scaling