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The X-ray structure of cis-3-chloroacrylic acid dehalogenase (cis-CaaD) with a sulfate ion bound in the active site
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1FLT cis-3-chloroacrylic acid dehalogenase inactivated (1FLT)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.2 298 equal amounts of protein solution (10 mg/mL) and well solution containing 10% (v/v) 2-propanol as a precipitant, 100 mM phosphate-citrate buffer, pH 4.2, and 0.2 M Li2SO4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 4.66 73.59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 140.763 α = 90 b = 140.763 β = 90 c = 140.763 γ = 90
Symmetry Space Group P 21 3
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 mirrors 2005-09-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 0.90 ESRF ID14-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.75 40 99.9 0.093 19.2 24413 24413 2 2 90
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.75 2.87 100 0.359 3.5 1222
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) 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 cis-3-chloroacrylic acid dehalogenase inactivated (1FLT) 2.75 39.04 2 24413 24413 1255 99.9 0.208 0.208 0.2074 0.239 0.2384 RANDOM 42.4
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_dihedral_angle_d 25.2 c_scangle_it 3.26 c_scbond_it 2.1 c_mcangle_it 2.02 c_angle_deg 1.4 c_mcbond_it 1.18 c_improper_angle_d 0.89 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3436 Nucleic Acid Atoms Solvent Atoms 16 Heterogen Atoms 15
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing