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Mutagenesis of zinc ligand residue Cys221 reveals plasticity in the IMP-1 metallo-b-lactamase active site
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4F6H pdb entry 4F6H
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 293 25 mMTris-HCl containing 1 mM zinc sulfate at pH 7.0, and 25 mMTris-HCl with 1 mM zinc chloride at pH 7.0, and the mother liquor which consisted of 0.1 M tri-sodium citrate (pH 5.5) in 40% PEG 600., VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.39 48.52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.031 α = 90 b = 59.774 β = 90 c = 83.552 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 77 IMAGE PLATE RIGAKU RAXIS HTC 2010-01-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR-E+ SUPERBRIGHT 1.54
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 25.24 89.2 0.057 11.2 4.04 15635 15635 2 2
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 2.07 93 0.311 3.1 3.86
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 pdb entry 4F6H 2 25.24 1.34 15635 15601 794 89.2 0.2013 0.2013 0.1988 0.2083 0.2492 0.2488 RANDOM
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] -6.605 8.0412 -1.4362
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.201 f_angle_d 1.044 f_chiral_restr 0.066 f_bond_d 0.015 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1737 Nucleic Acid Atoms Solvent Atoms 151 Heterogen Atoms 14
Software Software Software Name Purpose CrystalClear data collection PHASER phasing PHENIX refinement d*TREK data reduction d*TREK data scaling