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Crystal structures of JAK1 and JAK2 inhibitor complexes
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2B7A PDB ENTRY 2B7A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 280 18% PEG 8000, 100 mM Cacodylate, pH 6.5/6.7, 100 mM magnesium acetate, 100 mM KCl , VAPOR DIFFUSION, HANGING DROP, temperature 280K
Crystal Properties Matthews coefficient Solvent content 3.1 60.35
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 110.491 α = 90 b = 110.491 β = 90 c = 70.317 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV mirrors 2005-04-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.4 110.43 0.093 13.35 29833
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.4 2.49 0.531
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 THROUGHOUT PDB ENTRY 2B7A 2.4 110.43 29833 1601 94.33 0.18159 0.17806 0.2151 0.24966 0.2632 RANDOM 44.983
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] 0.71 0.71 -1.43
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 40.132 r_dihedral_angle_4_deg 22.147 r_dihedral_angle_3_deg 18.421 r_scangle_it 10.542 r_scbond_it 7.553 r_dihedral_angle_1_deg 6.626 r_mcangle_it 4.559 r_mcbond_it 2.894 r_angle_refined_deg 1.823 r_nbtor_refined 0.321
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 40.132 r_dihedral_angle_4_deg 22.147 r_dihedral_angle_3_deg 18.421 r_scangle_it 10.542 r_scbond_it 7.553 r_dihedral_angle_1_deg 6.626 r_mcangle_it 4.559 r_mcbond_it 2.894 r_angle_refined_deg 1.823 r_nbtor_refined 0.321 r_symmetry_vdw_refined 0.304 r_nbd_refined 0.224 r_symmetry_hbond_refined 0.201 r_xyhbond_nbd_refined 0.163 r_chiral_restr 0.118 r_bond_refined_d 0.019 r_gen_planes_refined 0.007 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4757 Nucleic Acid Atoms Solvent Atoms 135 Heterogen Atoms 46
Software Software Software Name Purpose CrystalClear data collection MOLREP phasing REFMAC refinement MOSFLM data reduction SCALA data scaling