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Human inositol 1,4,5-trisphosphate 3-kinase A (IP3K) catalytic domain in complex with L-chiro-inositol 2,3,5-trisphosphate/ATP/Mn
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1W2C Chain A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 291 0.80 M sodium citrate, 0.1M Tris pH 8.5 and 0.1 M NaCl.
Protein:precipitant ratio 1:1.
Protein concentration: 9 mg/ml.
Protein buffer: 20 mM Tris pH 7.5, 50 mM ammonium sulfate and 2 mM DTT.
Soaking 2h with 1.5 M lithium sulfate, 0.1 M Tris pH 8.5, 5 mM ligand, 3 mM ATP and 3 mM MnCl2.
Crystal Properties Matthews coefficient Solvent content 2.69 54.29
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 71.915 α = 90 b = 97.904 β = 90 c = 191.881 γ = 90
Symmetry Space Group C 2 2 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 PILATUS 6M KB mirrors, rectangular beam shape 2021-06-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALBA BEAMLINE XALOC 0.979264 ALBA XALOC
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) 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 1.92 49.66 98.4 0.032 0.997 13.3 10 51230 31.616
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.92 1.97 84.8 0.299 0.799 1.8 7.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 FOURIER SYNTHESIS THROUGHOUT 1.92 49.66 48515 2659 98.27 0.19451 0.1932 0.2018 0.21886 0.2304 RANDOM 42.024
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] 1.3 -0.56 -0.75
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 25.283 r_dihedral_angle_3_deg 16.011 r_dihedral_angle_4_deg 15.336 r_long_range_B_refined 7.997 r_long_range_B_other 7.97 r_dihedral_angle_1_deg 6.447 r_scangle_other 6.115 r_mcangle_other 4.695 r_mcangle_it 4.694 r_scbond_it 4.129
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 25.283 r_dihedral_angle_3_deg 16.011 r_dihedral_angle_4_deg 15.336 r_long_range_B_refined 7.997 r_long_range_B_other 7.97 r_dihedral_angle_1_deg 6.447 r_scangle_other 6.115 r_mcangle_other 4.695 r_mcangle_it 4.694 r_scbond_it 4.129 r_scbond_other 4.029 r_mcbond_it 3.339 r_mcbond_other 3.333 r_angle_refined_deg 1.5 r_angle_other_deg 1.316 r_chiral_restr 0.068 r_bond_refined_d 0.008 r_gen_planes_refined 0.007 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4425 Nucleic Acid Atoms Solvent Atoms 273 Heterogen Atoms 142
Software Software Software Name Purpose REFMAC refinement XDS data reduction XDS data scaling REFMAC phasing Coot model building PDB_EXTRACT data extraction