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Crystal Structure of the NUAK1-MARK3 kinase domain chimera bound with small molecule inhibitor N-(5-((5-chloro-4-(((3aS,6R,6aR)-6-methoxy-3a,5,6,6a-tetrahydrofuro[3,2-b]furan-3-yl)oxy)pyrimidin-2-yl)amino)-2-(((2R,7aR)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methoxy)phenyl)-1-methyl-1H-pyrazole-4-carboxamide
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8UOH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 6.5 293.15 0.1M MES pH 6.5, 25% PEG 8000 and 0.2M (NH4)2SO4
Crystal Properties Matthews coefficient Solvent content 2.42 49.12
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 84.36 α = 90 b = 45.32 β = 90.2951 c = 165.677 γ = 90
Symmetry Space Group I 1 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 S 9M 2025-05-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.3 0.979168 ALS 5.0.3
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 2.8 46.3141657044 99.82 0.695 0.616 12.71 8 15801 45.6819833446
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.9 0.475
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 2.8000173706 46.3141657044 1.33647115495 15787 732 99.8418922337 0.269432463201 0.267194744555 0.2752 0.315844926313 0.3178 31.2155503281
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 13.9670885376 f_angle_d 0.778870119623 f_chiral_restr 0.191082430348 f_bond_d 0.00342398185319 f_plane_restr 0.00240509472673
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3187 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 45
Software Software Software Name Purpose PHENIX refinement PHENIX refinement XDS data reduction XDS data scaling PHENIX phasing