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Crystal Structure of serine/threonine-protein kinase (AEK1) from Trypanosoma cruzi in complex with LMS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 10BL
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5 291 3.0M Sodium Malonate, pH 5.0. TrcrB.01480.a.WW4.PS38791 at 16.9 mg/mL. Cocrystallization with 4mM ATP and 4mM MgCl2. Crystals were soaked overnight in 10 mM LMS solubilized in 3.0M Malonate, pH 5.0 (cryo solution) which displaced the ATP. plate Liu-S-198, Puck: PSL-0206, Cryo: 3.0M Sodium Malonate
Crystal Properties Matthews coefficient Solvent content 2.49 50.56
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 86.193 α = 90 b = 86.193 β = 90 c = 193.256 γ = 120
Symmetry Space Group P 31 2 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 PIXEL DECTRIS EIGER2 XE 9M 2026-03-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 19-ID 0.9786 NSLS-II 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 2.82 48.77 100 0.141 0.145 0.032 0.999 19.1 20 20788
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.82 2.89 100 2.322 2.379 0.515 0.83 21.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 FREE R-VALUE 2.82 48.77 1.35 20681 1002 99.69 0.2422 0.2401 0.2404 0.2793 0.2754
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 17.148 f_angle_d 0.641 f_chiral_restr 0.042 f_plane_restr 0.016 f_bond_d 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5071 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 46
Software Software Software Name Purpose PHENIX refinement Aimless data scaling XDS data reduction PHASER phasing PDB_EXTRACT data extraction