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Crystal Structure of Dipeptidyl Peptidase IV (DPP4, DPP-IV, CD26) in Complex with Fab + sitagliptin
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7.9 289 2.2-2.7 M ammonium sulfate, 0.1 M Tris 7.5-7.9, vapor diffusion, temperature 289K
Crystal Properties Matthews coefficient Solvent content 3.68 66.54
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.77 α = 90 b = 200.86 β = 93.64 c = 97.93 γ = 90
Symmetry Space Group P 1 21 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 CCD ADSC QUANTUM 315 3X3 CCD ARRAY 2010-01-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 2.9 100.43 99.2 0.08 10.8 3.7 82634 82634
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.9 3.06 99.2 0.422 0.422 1.7 3.8
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 MOLECULAR REPLACEMENT THROUGHOUT 2.9 29.99 78420 4123 99.09 0.28777 0.28654 0.2861 0.31094 0.3104 RANDOM 93.533
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] -0.05 -0.01 0.1 -0.04
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.295 r_dihedral_angle_3_deg 13.698 r_dihedral_angle_4_deg 11.052 r_dihedral_angle_1_deg 4.556 r_scangle_it 3.017 r_scbond_it 1.762 r_mcangle_it 1.35 r_angle_refined_deg 0.797 r_mcbond_it 0.705 r_angle_other_deg 0.648
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.295 r_dihedral_angle_3_deg 13.698 r_dihedral_angle_4_deg 11.052 r_dihedral_angle_1_deg 4.556 r_scangle_it 3.017 r_scbond_it 1.762 r_mcangle_it 1.35 r_angle_refined_deg 0.797 r_mcbond_it 0.705 r_angle_other_deg 0.648 r_chiral_restr 0.048 r_bond_refined_d 0.004 r_gen_planes_refined 0.003 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_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 18171 Nucleic Acid Atoms Solvent Atoms 39 Heterogen Atoms 56
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling REFMAC refinement PDB_EXTRACT data extraction