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Crystal structure of the MttB-MttC complex at 2.7 A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3EZX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 283 0.5 ul MttB (3 mg/ml in 16mM potassium phosphate buffer pH7.4, 400mM NaCl, 160mM Imidazole, 20% glycerol, 1.6mM DTT)
0.5 ul MttC (10 mg/ml in 40 mM Tris buffer pH7, 200mM NaCl, 20% glycerol)
1 ul reservoir solution (18% PEG 8000, 0.1M citric acid pH 5, 1M LiC)
Crystal Properties Matthews coefficient Solvent content 2.67 53.99
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 120.434 α = 90 b = 188.138 β = 119.25 c = 123.952 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 RAYONIX MX-300 2019-06-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSRRC BEAMLINE TPS 05A 0.99984 NSRRC TPS 05A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 2.7 20 99.8 0.078 0.092 0.049 9.1 3.5 132103
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.7 2.75 100 0.574 0.682 0.364 0.73 3.4
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 3EZX 2.7 20 124909 10543 95 0.1915 0.1885 0.2382 0.1923 46.9495
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] -0.684 -1.205 0.463 0.222
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 9.836 c_scbond_it 7.77 c_mcangle_it 6.653 c_mcbond_it 4.745 c_angle_d 1.253 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 32140 Nucleic Acid Atoms Solvent Atoms 373 Heterogen Atoms 564
Software Software Software Name Purpose CNS refinement HKL-2000 data scaling PDB_EXTRACT data extraction HKL-2000 data reduction PHASER phasing