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Crystal structure of MtHISN2, a bifunctional enzyme from the histidine biosynthetic pathway
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 291 0.12 M Alcohols (0.2M 1,6-Hexanediol; 0.2M 1-Butanol 0.2M 1,2-Propanediol; 0.2M 2-Propanol; 0.2M 1,4-Butanediol; 0.2M 1,3-Propanediol) 0.1 M Buffer System 1 , pH 6.5 (Imidazole; MES-acid) 30% Precipitant Mix 1 (20% v/v PEG 500* MME; 10 % w/v PEG 20000. Cryoprotection: 20% ethylene glycol.
Crystal Properties Matthews coefficient Solvent content 3.27 62.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 172.422 α = 90 b = 69.477 β = 94.696 c = 52.13 γ = 90
Symmetry Space Group C 1 2 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 PIXEL DECTRIS PILATUS3 6M 2018-12-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.9793 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 1.6 80 98.5 0.045 0.99 14.6 3.7 79751 25.3
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 1.6 1.7 96.3 0.62 0.69 1.9 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) Mean Isotropic B X-RAY DIFFRACTION SAD FREE R-VALUE 1.6 42.93 79738 1037 98.52 0.1439 0.1434 0.1463 0.1747 0.1756 38.58
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 14.7073 f_angle_d 1.0138 f_chiral_restr 0.0589 f_bond_d 0.0106 f_plane_restr 0.0063
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3336 Nucleic Acid Atoms Solvent Atoms 356 Heterogen Atoms 9
Software Software Software Name Purpose PHENIX refinement XDS data reduction Coot model building PHENIX model building AutoSol phasing