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SAICAR synthetase (Type-2) in complex with GMP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3U55 PDB ENTRY 3U55
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 Microbatch Underoil 4.6 293 0.2M Ammonium Sulphate, 0.1M Sodium acetate trihydrate, 30% w/v PEG monomethyl ether 2000, pH 4.6, Microbatch Underoil, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.43 49.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.09 α = 90 b = 155.18 β = 90 c = 78.11 γ = 90
Symmetry Space Group C 2 2 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 IMAGE PLATE MAR scanner 345 mm plate Mirrors 2011-09-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER AXS MICROSTAR 1.5418
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 2.3 42.41 99.7 0.082 10 4.5 12282 32
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 2.3 2.42 99.3 0.183 5.2 4.4 7613
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-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 PDB ENTRY 3U55 2.3 38.83 12270 628 99.51 0.2168 0.214 0.2141 0.2668 0.265 RANDOM 27.9008
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] 0.11 -0.15 0.03
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 40.53 r_dihedral_angle_4_deg 17.089 r_dihedral_angle_3_deg 15.322 r_dihedral_angle_1_deg 5.852 r_angle_refined_deg 1.401 r_chiral_restr 0.078 r_bond_refined_d 0.009 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1797 Nucleic Acid Atoms Solvent Atoms 77 Heterogen Atoms 33
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction MAR345dtb data collection