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Crystal Structure of SAM-dependent methyltransferases Q8PUK2_METMA from Methanosarcina mazei. Northeast Structural Genomics Consortium Target MaR262.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 Microbatch crystallization under oil 7.5 277 27% PEG 400, 0.2 M calcium chloride, 5% glycerol, 0.1 M HEPES, pH 7.5 , Microbatch crystallization under oil , temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.55 51.83
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 51.589 α = 90 b = 51.589 β = 90 c = 207.028 γ = 90
Symmetry Space Group P 41 2 2
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 MAR CCD 165 mm 2011-06-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4C 0.97908 NSLS X4C
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 2.197 50 100 0.107 20.1 5.5 54511 54511 37.61
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 2.2 2.28 100 0.723 2.38 5.2 5461
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 SAD THROUGHOUT 2.197 29.817 1.35 27171 1367 99.85 0.195 0.192 0.195 0.246 0.2517 RANDOM 45.939
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] 5.822 5.822 -11.644
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 18.086 f_angle_d 1.151 f_chiral_restr 0.079 f_bond_d 0.008 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1700 Nucleic Acid Atoms Solvent Atoms 94 Heterogen Atoms 9
Software Software Software Name Purpose PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling SHELXS phasing