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Crystal structure of E.coli chloramphenicol acetyltransferase type I at 2.5 Angstrom resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3CLA PDB ENTRY 3CLA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.8 290 methanol,calcium chloride,MES, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 290.0K
Crystal Properties Matthews coefficient Solvent content 2.73 54.86
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.739 α = 90 b = 129.702 β = 108.38 c = 117.984 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 CCD MARRESEARCH Bent mirror 2002-09-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.81 EMBL/DESY, HAMBURG X11
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.5 10 99.6 0.065 0.061 3.28 114277 114277 13.91 12.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.5 2.59 99.2 0.291 0.246 9674
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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 (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 3CLA 2.5 10 2 114277 105347 5537 98.64 0.19912 0.19478 0.2109 0.28139 0.2018 RANDOM 46.425
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] 5.92 1.74 -2.96 -1.86
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 8.981 r_scangle_it 6.224 r_scbond_it 4.397 r_angle_refined_deg 2.947 r_mcangle_it 2.705 r_mcbond_it 1.509 r_symmetry_hbond_refined 0.418 r_nbd_refined 0.269 r_symmetry_vdw_refined 0.263 r_chiral_restr 0.214
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 8.981 r_scangle_it 6.224 r_scbond_it 4.397 r_angle_refined_deg 2.947 r_mcangle_it 2.705 r_mcbond_it 1.509 r_symmetry_hbond_refined 0.418 r_nbd_refined 0.269 r_symmetry_vdw_refined 0.263 r_chiral_restr 0.214 r_xyhbond_nbd_refined 0.172 r_bond_refined_d 0.041 r_gen_planes_refined 0.014
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 21210 Nucleic Acid Atoms Solvent Atoms 208 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement MAR345 data collection SCALEPACK data scaling AMoRE phasing