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Crystal structure of holo PPEP-1(E143A/Y178F) in complex with product peptide Ac-EVNP-CO2 (substrate peptide: Ac-EVNPAVP-CONH2)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5A0P
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293.15 1.5 microl 12 mg per ml rPPEP-1 E143A Y178F with 6 mM substrate peptide (Ac-EVNPAVP-CONH2) in 20 mM Tris pH 7.5, 200 mM NaCl, 0.1 mM ZnCl2 was mixed with 1.5 microl precipitant solution containing: 100 mM Tris pH 8.5, 2.1 M ammonium phosphate dibasic. Reservoir volume: 200 microl
Crystal Properties Matthews coefficient Solvent content 2.09 41.17
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.036 α = 90 b = 42.8 β = 92.78 c = 118.274 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 80 PIXEL DECTRIS PILATUS 2M-F 2016-12-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06DA 1 SLS X06DA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.452 40.24 98.18 16.62 5.6 64508
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.452 1.504
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 5A0P 1.452 40.24 1.42 64508 2001 98.15 0.1457 0.1451 0.1462 0.1652 0.1659
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 13.109 f_angle_d 0.896 f_chiral_restr 0.071 f_bond_d 0.007 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3083 Nucleic Acid Atoms Solvent Atoms 376 Heterogen Atoms 2
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHENIX phasing