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The crystal structure of the catalytic fragment of the alanyl-tRNA synthetase
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.2 298 PEG 5000mme, NaCl, Tris, pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.33 47.19
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.89 α = 90 b = 74.89 β = 90 c = 179.95 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 200 CCD ADSC QUANTUM 210 2003-03-03 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 0.9793, 0.9795, 1.0332 ALS 8.2.1
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 2.1 50 93.6 0.081 0.08 13.6 3.5 26377 26377
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.11 2.19 89.1 0.382 0.37 13.1 2.5 5050
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 MAD throuhgout 2.14 50 26377 26377 2627 100 0.2069 0.2069 0.2069 0.2256 0.2514 0.2156 random 37
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] -1.022 -1.022 2.044
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 3.196 c_scbond_it 2.317 c_mcangle_it 1.61 c_angle_d 1.2705 c_mcbond_it 1.089 c_bond_d 0.0109
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3641 Nucleic Acid Atoms Solvent Atoms 336 Heterogen Atoms
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling SHARP phasing CNS refinement HKL-2000 data reduction