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The role of the C-terminal region on the oligomeric state and enzymatic activity of Trypanosoma cruzi hypoxanthine phosphoribosyl transferase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TC2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 293 The drop was a 1:1 mix of protein (in tris 20 mM pH8, NaCl 100 mM) and buffer (1.0 mM MES buffer pH 6.5 and 12 % W/V of PEG 20000)
Crystal Properties Matthews coefficient Solvent content 1.87 34.39
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 95.667 α = 90 b = 95.667 β = 90 c = 75.685 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 PIXEL DECTRIS PILATUS 2M 2012-12-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06DA 0.800000 SLS X06DA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.65 36.34 99.9 13.6 3.7 22566 22531
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.65 2.74 99.7 3.1 3.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 FREE R-VALUE 1TC2 2.65 36.34 21350 1150 99.84 0.1933 0.1896 0.1925 0.2637 0.2588 RANDOM 44.54
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 r_dihedral_angle_2_deg 33.273 r_dihedral_angle_4_deg 20.047 r_dihedral_angle_3_deg 15.795 r_dihedral_angle_1_deg 6.664 r_angle_refined_deg 1.539 r_angle_other_deg 0.789 r_chiral_restr 0.072 r_bond_refined_d 0.012 r_gen_planes_refined 0.005 r_bond_other_d 0.002
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.273 r_dihedral_angle_4_deg 20.047 r_dihedral_angle_3_deg 15.795 r_dihedral_angle_1_deg 6.664 r_angle_refined_deg 1.539 r_angle_other_deg 0.789 r_chiral_restr 0.072 r_bond_refined_d 0.012 r_gen_planes_refined 0.005 r_bond_other_d 0.002 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6278 Nucleic Acid Atoms Solvent Atoms 111 Heterogen Atoms
Software Software Software Name Purpose HKL-2000 data scaling REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data reduction PHASER phasing