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Human p38 ALPHA MAPK:MW01-8-105SRM N,N-Dimethyl-6-phenyl-5-(4-pyridinyl)-3-pyridazinamine inhibitor complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4EWQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 0.1M Ammomium acetate, 0.1M Bis-Tris (pH 5.5), 17% (w/v) PEG10000, 2mM 4FPP (4-[3-(4-fluorophenyl)-1H-pyrazol-4-yl]pyridine);
Soak: 24 hrs, 5mM ligand (MW01-8-105SRM) in screen solution;
Cryo: 0.1M Bis-Tris (pH 5.5), 25% (w/v) PEG10000
Crystal Properties Matthews coefficient Solvent content 2.32 46.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.89 α = 90 b = 74.849 β = 90 c = 77.929 γ = 90
Symmetry Space Group P 21 21 21
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 EIGER X 16M Horizontal pre-focus bimorph mirror & KB bimorph mirrors 2025-09-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 17-ID-2 0.97934 NSLS-II 17-ID-2
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 2.02 50.32 92.7 0.064 0.066 0.019 0.999 18.6 12.7 24188
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 2.02 2.12 84.2 1.058 1.104 0.312 0.818 12.1
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2.02 38.96 1.35 24142 1243 92.5 0.2133 0.2118 0.2134 0.2387 0.2368 Random
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 6.774 f_angle_d 0.473 f_chiral_restr 0.038 f_plane_restr 0.004 f_bond_d 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2783 Nucleic Acid Atoms Solvent Atoms 64 Heterogen Atoms 1
Software Software Software Name Purpose PHENIX refinement Aimless data scaling PDB_EXTRACT data extraction autoPROC data reduction DIMPLE phasing