☰ Navigation Tabs
STRUCTURE OF THE E. CLOACAE GC1 BETA-LACTAMASE WITH A CEPHALOSPORIN SULFONE INHIBITOR
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GCE PDB entry 1GCE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 293 6.3 mg/ml enzyme, 5.5% PEG 3350, 9 mM imidazole; over a reservoir of 24% PEG 3350.
Crystal was reacted with 9 mM DVR-II-41s in 15 mM imidazole/28% PEG 3350, pH 7.0 for 3 hr.
and then soaked in an identical solution for 35 min.
The crystal was soaked in a cryo-protectant solution
of 25% glycerol/20 mM HEPES (pH 7)/24% PEG for 2 min. prior to cryo-freezing., VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.09 41.27
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77 α = 90 b = 69 β = 90 c = 62.5 γ = 90
Symmetry Space Group P 21 21 2
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 4 1999-02-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE A1 0.935 CHESS A1
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 1.6 50 66.1 0.087 7.8 3.2 29788 -3 10.8
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 1.6 2.02 32.2 0.31 2.7 1.7 7159
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) 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 PDB entry 1GCE 1.6 100 28503 28503 1672 100 0.183 0.183 0.181 0.1814 0.208 0.1965 random 14.7
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 c_angle_deg 1.47 c_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2783 Nucleic Acid Atoms Solvent Atoms 315 Heterogen Atoms 33
Software Software Software Name Purpose AMoRE phasing CNS refinement DENZO data reduction SCALEPACK data scaling