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Human dipeptidyl peptidase iv/cd26 in complex with a 4-aryl cyclohexylalanine inhibitor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1X70
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 293 PEG4000, Sodium Acetate, TRIS, pH 8.000000, vapor diffusion, hanging drop, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.86 57.07
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 117.863 α = 90 b = 125.629 β = 90 c = 136.806 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 CCD ADSC 2004-06-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-ID
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 2.25 50 99.7 0.09 6.5 7.3 96646 -3 -3 31.3
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) 1 2.25 2.33 99.2 0.443 1.6 7.1 9531
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT 1X70 2.25 30 96468 4847 99.7 0.187 0.1793 0.228 0.2193 RANDOM 27.9
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] 7.855 -3.18 -4.675
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.739 c_scangle_it 2.37 c_mcangle_it 1.63 c_scbond_it 1.57 c_angle_deg 1.44 c_mcbond_it 0.99 c_improper_angle_d 0.842 c_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 11930 Nucleic Acid Atoms Solvent Atoms 921 Heterogen Atoms 401
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement PDB_EXTRACT data extraction HKL-2000 data reduction HKL-2000 data scaling CNX phasing CNX refinement