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Crystal structure of Trypanosoma cruzi Formiminoglutamase (oxidized) at pH 4.6
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2A0M PDB ENTRY 2a0m
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 294 A 4 UL drop of protein solution [10 mg/mL protein, 50 mM bicine (pH 8.5), 100 UM MnCl2] was mixed with a 4 UL drop of precipitant solution [25% PEG 3350, 0.1 M sodium acetate (pH 4.6)] on a siliconized cover slide and equilibrated against a 500 UL reservoir of precipitant solution, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 1.98 37.92
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 129.437 α = 90 b = 129.437 β = 90 c = 42.569 γ = 120
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 315r 2012-07-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 1.075 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 1.53 50 99.9 0.077 0.077 24.071 4.7 40029 -3
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 1.53 1.58 99.9 0.534 0.534 2.224 4.4
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 2a0m 1.531 37.365 0.14 40029 39028 1994 97.39 0.1357 0.1343 0.1346 0.1612 0.1595 random 18.448
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] -1.8042 -1.8042 3.6084
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.545 f_angle_d 1.043 f_chiral_restr 0.074 f_bond_d 0.008 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2212 Nucleic Acid Atoms Solvent Atoms 160 Heterogen Atoms
Software Software Software Name Purpose CBASS data collection PHASER phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling