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Crystal structure of a perchloric acid-soluble protein (PSP) from Trichomonas vaginalis at 1.95 A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QAH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 291 0.2 M sodium citrate tribasic dihydrate, 0.1 M TRIS hydrochloride, pH 8.5 and 30% polyethylene glycol 400
Crystal Properties Matthews coefficient Solvent content 2.33 47.23
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.95 α = 90 b = 81.95 β = 90 c = 129.391 γ = 120
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-F 2017-10-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.97 APS 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 1.95 25 99.7 0.082 0.99 14.1 3.5 35775 23.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.95 2 99.9 0.44 0.8 2.4 3.5
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1QAH 1.95 19.684 35499 1995 99.12 0.198 0.1955 0.1971 0.2413 0.2414 38.237
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 16.651 f_angle_d 1.474 f_chiral_restr 0.088 f_bond_d 0.017 f_plane_restr 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3066 Nucleic Acid Atoms Solvent Atoms 295 Heterogen Atoms 24
Software Software Software Name Purpose PHENIX refinement PDB_EXTRACT data extraction XDS data reduction XDS data scaling PHASER phasing