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Crystal Structure of the C47A/A241C disulfide-linked C6 Aspartate Transcarbamoylase enzyme
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1D09 PDB ENTRY 1D09
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 10 mg/mL of C47A/A241C c6 in 100 mM tris-acetate pH 8.3, in a 1:1 ratio (v/v), with reservoir. Crystallization buffer consisted of 40% PEG 1000, 100 mM NH4H2PO4, and 100 mM HEPES, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.46 64.43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 141.78 α = 90 b = 141.78 β = 90 c = 141.78 γ = 90
Symmetry Space Group P 43 3 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 315 FIBER-OPTIC TAPER 2009-10-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A NSLS X29A
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 2.1 50 99.9 0.077 0.077 8.9 22.8 28904 38.6
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) 1 2.1 2.18 99.9 0.541 0.541 8.3 43
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 (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1D09 2.1 42.75 1.33 28952 28888 1469 99.9 0.178 0.177 0.1741 0.205 0.2026
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 f_dihedral_angle_d 17.182 f_angle_d 0.916 f_chiral_restr 0.063 f_bond_d 0.006 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2394 Nucleic Acid Atoms Solvent Atoms 222 Heterogen Atoms 10
Software Software Software Name Purpose ADSC data collection PHENIX model building PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing