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Methionine-adenosyltransferase from Entamoeba histolytica
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 6.2 293 protein buffer 25 mM HEPES pH 7.5, 500 mM NaCl; crystallization buffer 400 mM Ammonium Acetate, 100 mM BisTris pH 6.2, 33% PEG 3350, vapor diffusion, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2 38.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 58.492 α = 90 b = 113.161 β = 90 c = 220.848 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 2008-05-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL11-1 0.97945 SSRL BL11-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 3.18 50 92.2 0.171 4.8 3.8 23472
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.2 3.27 56 0.716 2.5 942
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 3.18 50 23302 1189 91.13 0.2306 0.2278 0.2302 0.2839 0.2814 RANDOM 80.1164
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] 1.41 2.19 -3.61
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 5.522 r_angle_other_deg 1.349 r_angle_refined_deg 1.203 r_chiral_restr 0.066 r_bond_refined_d 0.009 r_bond_other_d 0.005 r_gen_planes_refined 0.004 r_gen_planes_other 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 11478 Nucleic Acid Atoms Solvent Atoms 4 Heterogen Atoms 16
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction Blu-Ice data collection HKL-2000 data reduction BALBES phasing