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Structure of the cyclopropane synthase MmaA2 from Mycobacterium tuberculosis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1LIE PcaA ENTRY 1LIE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 292 PEG 6000, MES buffer, cetyl trimethyl ammonium bromide, S-adenosyl-l-homocysteine, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 292K
Crystal Properties Matthews coefficient Solvent content 2.541 49.73
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.587 α = 90 b = 58.42 β = 90 c = 133.683 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 QUANTUM 4 2002-11-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.3 1.0 ALS 5.0.3
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.2 50 96.6 0.0582 0.036 10.8 3.9 17966 17358 3 3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.19 2.3 84.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PcaA ENTRY 1LIE 2.2 50 3 17625 16498 1654 93.6 0.244 0.198 0.194 0.232 RANDOM 28.7
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 c_dihedral_angle_d 21.4 c_mcangle_it 1.84 c_angle_d 1.3 c_mcbond_it 1.22 c_improper_angle_d 0.78 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2292 Nucleic Acid Atoms Solvent Atoms 192 Heterogen Atoms 50
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling AMoRE phasing CNS refinement HKL-2000 data reduction